Etymology of Taxon Names

The information below provides a list containing descriptions of the origins of ICTV taxon names starting at the rank of realm and going down to the rank of family. This information is derived from the proposals that were submitted when each taxon was created. Links to these proposals, links to ICTV report chapters, and links to publications (through PMIDs) are provided when available.

We thank Stuart Siddell for compiling this list of name origins. Etymological information for taxa below the rank of family, can be found in the relevant ICTV Online (10th) Report chapters. If you have any comments or corrections, please contact us by sending an email to info@ictv.global.

Filter the list of name origins using the selection options below:

Enter all or part of a taxon name (family rank or higher)

Riboviria

Taxon: Pidchovirus Rank: genus
Lineage: Riboviria | Orthornavirae | Negarnaviricota | Polyploviricotina | Bunyaviricetes | Hareavirales | Phenuiviridae | Pidchovirus
Report Chapter: Phenuiviridae
Taxon: Rubodvirus Rank: genus
Lineage: Riboviria | Orthornavirae | Negarnaviricota | Polyploviricotina | Bunyaviricetes | Hareavirales | Phenuiviridae | Rubodvirus
Report Chapter: Phenuiviridae
Taxon: Tanzavirus Rank: genus
Lineage: Riboviria | Orthornavirae | Negarnaviricota | Polyploviricotina | Bunyaviricetes | Hareavirales | Phenuiviridae | Tanzavirus
Report Chapter: Phenuiviridae
Taxon: Tenuivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Negarnaviricota | Polyploviricotina | Bunyaviricetes | Hareavirales | Phenuiviridae | Tenuivirus
Report Chapter: Phenuiviridae
Taxon: Uukuvirus Rank: genus
Lineage: Riboviria | Orthornavirae | Negarnaviricota | Polyploviricotina | Bunyaviricetes | Hareavirales | Phenuiviridae | Uukuvirus
Report Chapter: Phenuiviridae
Taxon: Wenrivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Negarnaviricota | Polyploviricotina | Bunyaviricetes | Hareavirales | Phenuiviridae | Wenrivirus
Report Chapter: Phenuiviridae
Taxon: Tosoviridae Rank: family
Lineage: Riboviria | Orthornavirae | Negarnaviricota | Polyploviricotina | Bunyaviricetes | Hareavirales | Tosoviridae
Proposal: 2022.010M.Fraservirus_1nfam_1ngen_1nsp.zip
Report Chapter: Tosoviridae

Etymology: from Tosohatchee Wildlife Management Area, Florida, USA, where the first member of the family was isolated; the suffix -viridae for family taxa

Taxon: Fraservirus Rank: genus
Lineage: Riboviria | Orthornavirae | Negarnaviricota | Polyploviricotina | Bunyaviricetes | Hareavirales | Tosoviridae | Fraservirus
Report Chapter: Tosoviridae
Taxon: Wupedeviridae Rank: family
Lineage: Riboviria | Orthornavirae | Negarnaviricota | Polyploviricotina | Bunyaviricetes | Hareavirales | Wupedeviridae
Proposal: 2017.012M.A.v2.Bunyavirales.zip
Report Chapter: Wupedeviridae

Etymology: frfom hàn millipede virus 2, a member of the family; the suffix -viridae for family taxa

Taxon: Wumivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Negarnaviricota | Polyploviricotina | Bunyaviricetes | Hareavirales | Wupedeviridae | Wumivirus
Report Chapter: Wupedeviridae
Taxon: Insthoviricetes Rank: class
Lineage: Riboviria | Orthornavirae | Negarnaviricota | Polyploviricotina | Insthoviricetes
Proposal: 2017.006M.A.v2.Negarnaviricota.zip

Etymology: from Alphainfluenzavirus, Isavirus and Thogotovirus, three genera in the taxon; the suffix -viricetes for class taxa

Taxon: Articulavirales Rank: order
Lineage: Riboviria | Orthornavirae | Negarnaviricota | Polyploviricotina | Insthoviricetes | Articulavirales
Proposal: 2017.006M.A.v2.Negarnaviricota.zip

Etymology: from the Latin articulata, meaning "segmented", referring to the segmented genome of viruses in the taxon; the suffix -virales for order taxa

Taxon: Amnoonviridae Rank: family
Lineage: Riboviria | Orthornavirae | Negarnaviricota | Polyploviricotina | Insthoviricetes | Articulavirales | Amnoonviridae
Proposal: 2017.006M.A.v2.Negarnaviricota.zip
Report Chapter: Amnoonviridae

Etymology: phonetically from the Hebrew אַמְנוּן (amnun) for the fish tilapia, referring to tilapia lake virus, a member of this family; the suffix -viridae for family taxa

Taxon: Tilapinevirus Rank: genus
Lineage: Riboviria | Orthornavirae | Negarnaviricota | Polyploviricotina | Insthoviricetes | Articulavirales | Amnoonviridae | Tilapinevirus
Report Chapter: Amnoonviridae
Taxon: Orthomyxoviridae Rank: family
Lineage: Riboviria | Orthornavirae | Negarnaviricota | Polyploviricotina | Insthoviricetes | Articulavirales | Orthomyxoviridae
Proposal: Ratification_1975.pdf
PubMed ID: 13267985

Etymology: from the Ancient Greek ὀρθός (orthos), meaning “correct” or “straight” and the Ancient Greek μύξα, (mýxa), meaning "mucus", referring to infection of the respiratory mucosa by viruses of the family; the suffix -viridae for family taxa

Taxon: Pisuviricota Rank: phylum
Lineage: Riboviria | Orthornavirae | Pisuviricota
Proposal: 2019.006G.zip

Etymology: from picornavirus supergroup, referring to a historical name for some members of the taxon; the suffix -viricota for phylum taxa

Taxon: Duplopiviricetes Rank: class
Lineage: Riboviria | Orthornavirae | Pisuviricota | Duplopiviricetes
Proposal: 2019.006G.zip

Etymology: from the Italian duplo meaning "double" (a reference to double-stranded RNA) and picobirnaviruses, members of the taxon; the suffix -viricetes for class taxa

Taxon: Durnavirales Rank: order
Lineage: Riboviria | Orthornavirae | Pisuviricota | Duplopiviricetes | Durnavirales
Proposal: 2019.006G.zip

Etymology: from the Italian duplo meaning "double" (a reference to double-stranded) and RNA for ribonucleaic acid, referring to the RNA genome of viruses in the taxon; the suffix -virales for order taxa

Taxon: Amalgaviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Duplopiviricetes | Durnavirales | Amalgaviridae
Proposal: 2013.005a-gP.A.v2.Amalgaviridae.pdf
Report Chapter: Amalgaviridae

Etymology: from the Medieval Latin amalgama, meaning "mercury alloy", referring to the fact that viruses of the family blend (or alloy) the properties of the viruses in the Partitiviridae (re: phylogeny) and the obsolete taxon Totiviridae (re: genome organization); the suffix -viridae for family taxa

Taxon: Curvulaviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Duplopiviricetes | Durnavirales | Curvulaviridae
Proposal: 2020.002F.R.Curvulaviridae.zip

Etymology: from Curvularia protuberata, host of the first characterized virus in the family; the suffix -viridae for family taxa

Taxon: Partitiviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Duplopiviricetes | Durnavirales | Partitiviridae
Proposal: Ratification_1984.pdf
Report Chapter: Partitiviridae
PubMed ID: 25771805

Etymology: from the Latin partitius, meaning “divided”, referring to the bisegmented dsRNA genomes of viruses in the family; the suffix -viridae for family taxa

Taxon: Alphapartitivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Duplopiviricetes | Durnavirales | Partitiviridae | Alphapartitivirus
Report Chapter: Partitiviridae
Taxon: Betapartitivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Duplopiviricetes | Durnavirales | Partitiviridae | Betapartitivirus
Report Chapter: Partitiviridae
Taxon: Cryspovirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Duplopiviricetes | Durnavirales | Partitiviridae | Cryspovirus
Report Chapter: Partitiviridae
Taxon: Deltapartitivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Duplopiviricetes | Durnavirales | Partitiviridae | Deltapartitivirus
Report Chapter: Partitiviridae
Taxon: Gammapartitivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Duplopiviricetes | Durnavirales | Partitiviridae | Gammapartitivirus
Report Chapter: Partitiviridae
Taxon: Picobirnaviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Duplopiviricetes | Durnavirales | Picobirnaviridae
Proposal: 2005.216-22V.04.Picobirna.pdf
Report Chapter: Picobirnaviridae

Etymology: from the Greek pico, meaning “small”, the Latin prefix bi, meaning “two” and RNA for ribonucleic acid, referring to the bisegmented dsRNA viral genome of viruses in the family; the suffix -viridae for family taxa

Taxon: Orthopicobirnavirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Duplopiviricetes | Durnavirales | Picobirnaviridae | Orthopicobirnavirus
Report Chapter: Picobirnaviridae
Taxon: Soropartitiviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Duplopiviricetes | Durnavirales | Soropartitiviridae
Proposal: 2024.011B.Durnavirales_1nf_1ng_1ns.zip

Etymology: from the Latin soror, meaning sister, and partiti-like, referring to the phylogenetic placement of HsPV1-like viruses as a sister group to bona fide partitivirids; the suffix -viridae for family taxa

Taxon: Mycopleornaviricetes Rank: class
Lineage: Riboviria | Orthornavirae | Pisuviricota | Mycopleornaviricetes
Proposal: 2025.007F.Ac.v3.Mycopleornaviricetes_nclass_Xenadelphovirales_nord.zip

Etymology: from the Greek mýkēs (myco), meaning "fungi, the Greek pleíōn (pleion), meaning "multiple" and RNA referring to a class of multi-segmemnted, dsRNA fungal viruses; the suffix ‑viricetes for class taxa

Taxon: Xenadelphovirales Rank: order
Lineage: Riboviria | Orthornavirae | Pisuviricota | Mycopleornaviricetes | Xenadelphovirales
Proposal: 2025.007F.Ac.v3.Mycopleornaviricetes_nclass_Xenadelphovirales_nord.zip

Etymology: From the Greek xenos, meaning “alien” and the Ancient Greek ἀδελφός (adelphos), meaning "brothers", referring the evolutionary relationship of two families in the order (Polymycoviridae and Hadakaviridae) despite their differences in genome structure and virion formation; the suffix ‑virales for order taxa

Taxon: Hadakaviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Mycopleornaviricetes | Xenadelphovirales | Hadakaviridae
Proposal: 2021.004F.R.Hadakaviridae_newfam.zip
Report Chapter: Hadakaviridae

Etymology: from the Japanese hadaka (裸、はだか), meaning “naked”, referring to the capsidless nature of viruses in this family; the suffix -viridae for family taxa

Taxon: Hadakavirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Mycopleornaviricetes | Xenadelphovirales | Hadakaviridae | Hadakavirus
Report Chapter: Hadakaviridae
Taxon: Polymycoviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Mycopleornaviricetes | Xenadelphovirales | Polymycoviridae
Proposal: 2019.002F.zip
Report Chapter: Polymycoviridae

Etymology: from the Ancient Greek πολύς (polús), meaning “many" and mukēs (myco), meaning fungus, referring to the hosts of viruses in the family; the suffix -viridae for family taxa

Taxon: Polymycovirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Mycopleornaviricetes | Xenadelphovirales | Polymycoviridae | Polymycovirus
Report Chapter: Polymycoviridae
Taxon: Pisoniviricetes Rank: class
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes
Proposal: 2019.006G.zip

Etymology: from the names of the founding orders (Picornavirales, Sobelivirales, Nidovirales); the suffix -viricetes for class taxa

Taxon: Nidovirales Rank: order
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales
Proposal: Ratification_1996.pdf

Etymology: from the Latin nidus, meaning "nest", referring to the nested set of subgenomic mRNAs produced during replication of viruses in the taxon, with the addition of the vowel o ; the suffix -virales for order taxa

Taxon: Abnidovirineae Rank: suborder
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Abnidovirineae
Proposal: 2017.012_015S.A.v1.Nidovirales.zip

Etymology: from Abyssoviridae and Nidovirales, two taxa in the taxon; the suffix -virineae for suborder taxa

Taxon: Abyssoviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Abnidovirineae | Abyssoviridae
Proposal: 2017.012_015S.A.v1.Nidovirales.zip
PubMed ID: 30199753

Etymology: from the word abyss, referring to the aquatic environment where Aplysia californica, the host of Aplysia abyssovirus 1, is found and the addition of the vowel o; to the Sumerian god of watery depths Abzu, and to the discovery of Aplysia abyssovirus 1 in an RNA transcriptome obtained by “deep” sequencing technology; the suffix -viridae for family taxa

Taxon: Arnidovirineae Rank: suborder
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae
Proposal: 2017.012_015S.A.v1.Nidovirales.zip

Etymology: from Arteriviridae and Nidovirales, two taxa in the taxon; the suffix -virineae for suborder taxa

Taxon: Arteriviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Arteriviridae
Proposal: Ratification_1996.pdf
Report Chapter: Arteriviridae
PubMed ID: 13016787

Etymology: from the name of a disease in horses, arteritis, caused by equine arteritis virus, a member of the family; the suffix -viridae for family taxa

Taxon: Crocarterivirinae Rank: subfamily
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Arteriviridae | Crocarterivirinae
Report Chapter: Arteriviridae
Taxon: Muarterivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Arteriviridae | Crocarterivirinae | Muarterivirus
Report Chapter: Arteriviridae
Taxon: Equarterivirinae Rank: subfamily
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Arteriviridae | Equarterivirinae
Report Chapter: Arteriviridae
Taxon: Alphaarterivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Arteriviridae | Equarterivirinae | Alphaarterivirus
Report Chapter: Arteriviridae
Taxon: Heroarterivirinae Rank: subfamily
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Arteriviridae | Heroarterivirinae
Report Chapter: Arteriviridae
Taxon: Lambdaarterivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Arteriviridae | Heroarterivirinae | Lambdaarterivirus
Report Chapter: Arteriviridae
Taxon: Simarterivirinae Rank: subfamily
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Arteriviridae | Simarterivirinae
Report Chapter: Arteriviridae
Taxon: Deltaarterivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Arteriviridae | Simarterivirinae | Deltaarterivirus
Report Chapter: Arteriviridae
Taxon: Epsilonarterivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Arteriviridae | Simarterivirinae | Epsilonarterivirus
Report Chapter: Arteriviridae
Taxon: Etaarterivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Arteriviridae | Simarterivirinae | Etaarterivirus
Report Chapter: Arteriviridae
Taxon: Iotaarterivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Arteriviridae | Simarterivirinae | Iotaarterivirus
Report Chapter: Arteriviridae
Taxon: Thetaarterivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Arteriviridae | Simarterivirinae | Thetaarterivirus
Report Chapter: Arteriviridae
Taxon: Zetaarterivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Arteriviridae | Simarterivirinae | Zetaarterivirus
Report Chapter: Arteriviridae
Taxon: Variarterivirinae Rank: subfamily
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Arteriviridae | Variarterivirinae
Report Chapter: Arteriviridae
Taxon: Betaarterivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Arteriviridae | Variarterivirinae | Betaarterivirus
Report Chapter: Arteriviridae
Taxon: Gammaarterivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Arteriviridae | Variarterivirinae | Gammaarterivirus
Report Chapter: Arteriviridae
Taxon: Nuarterivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Arteriviridae | Variarterivirinae | Nuarterivirus
Report Chapter: Arteriviridae
Taxon: Zealarterivirinae Rank: subfamily
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Arteriviridae | Zealarterivirinae
Report Chapter: Arteriviridae
Taxon: Kappaarterivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Arteriviridae | Zealarterivirinae | Kappaarterivirus
Report Chapter: Arteriviridae
Taxon: Cremegaviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Cremegaviridae
Proposal: 2019.020S-023S.zip

Etymology: in part referring to Mauremys megalocephala, the host of the chinese broadheaded pond turtle arterivirus, a member of the virus family; the suffix -viridae for family taxa; derivation unclear

Taxon: Gresnaviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Gresnaviridae
Proposal: 2019.020S-023S.zip

Etymology: from Guandong greater green snake arterivirus, a member of the family; the suffix -viridae for family taxa

Taxon: Olifoviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Arnidovirineae | Olifoviridae
Proposal: 2019.020S-023S.zip

Etymology: from Hain oligodonformosanus arterivirus, a member of the family; the suffix -viridae for family taxa

Taxon: Cornidovirineae Rank: suborder
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Cornidovirineae
Proposal: 2017.012_015S.A.v1.Nidovirales.zip

Etymology: from Coronaviridae and Nidovirales, child and parent taxa of the suborder; the suffix -virineae for suborder taxa

Taxon: Coronaviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Cornidovirineae | Coronaviridae
Proposal: Ratification_1975.pdf
Report Chapter: Coronaviridae
PubMed ID: 1184350

Etymology: from the Latin corona, meaning “halo”, referring to the appearance of virion surface projections on viruses of the family, which create an image reminiscent of the solar corona; the suffix -viridae for family taxa

Taxon: Letovirinae Rank: subfamily
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Cornidovirineae | Coronaviridae | Letovirinae
Report Chapter: Coronaviridae
Taxon: Alphaletovirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Cornidovirineae | Coronaviridae | Letovirinae | Alphaletovirus
Report Chapter: Coronaviridae
Taxon: Orthocoronavirinae Rank: subfamily
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Cornidovirineae | Coronaviridae | Orthocoronavirinae
Report Chapter: Coronaviridae
Taxon: Alphacoronavirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Cornidovirineae | Coronaviridae | Orthocoronavirinae | Alphacoronavirus
Report Chapter: Coronaviridae
Taxon: Betacoronavirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Cornidovirineae | Coronaviridae | Orthocoronavirinae | Betacoronavirus
Report Chapter: Coronaviridae
Taxon: Deltacoronavirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Cornidovirineae | Coronaviridae | Orthocoronavirinae | Deltacoronavirus
Report Chapter: Coronaviridae
Taxon: Gammacoronavirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Cornidovirineae | Coronaviridae | Orthocoronavirinae | Gammacoronavirus
Report Chapter: Coronaviridae
Taxon: Pitovirinae Rank: subfamily
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Cornidovirineae | Coronaviridae | Pitovirinae
Report Chapter: Coronaviridae
Taxon: Alphapironavirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Cornidovirineae | Coronaviridae | Pitovirinae | Alphapironavirus
Report Chapter: Coronaviridae
Taxon: Mesnidovirineae Rank: suborder
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Mesnidovirineae
Proposal: 2017.012_015S.A.v1.Nidovirales.zip

Etymology: from Mesoniviridae and Nidovirales, two taxa in the suborder; the suffix -virineae for suborder taxa

Taxon: Medioniviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Mesnidovirineae | Medioniviridae
Proposal: 2017.012_015S.A.v1.Nidovirales.zip

Etymology: from the Latin medius, meaning “middle”, and Nidovirales, referring to the genome size of viruses in the family, relative to other nidoviruses; the suffix -viridae for family taxa

Taxon: Mesoniviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Mesnidovirineae | Mesoniviridae
Proposal: 2017.012_015S.A.v1.Nidovirales.zip

Etymology: from the Ancient Greek μέσος (mésos), meaning "middle", and Nidovirales, referring to the genome size of viruses in the family, relative to other nidoviruses; the suffix -viridae for family taxa

Taxon: Monidovirineae Rank: suborder
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Monidovirineae
Proposal: 2017.012_015S.A.v1.Nidovirales.zip

Etymology: from Mononiviridae and Nidovirales, child and parent taxa of the suborder; the suffix -virineae for suborder taxa

Taxon: Mononiviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Monidovirineae | Mononiviridae
Proposal: 2017.012_015S.A.v1.Nidovirales.zip

Etymology: from the Ancient Greek μόνος (mónos), meaning “sole" or "single” and Nidovirales, referring to the single open reading frame organisation of the genome of viruses in the family; the suffix -viridae for family taxa

Taxon: Nanidovirineae Rank: suborder
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Nanidovirineae
Proposal: 2017.015S.A.v1.Nidovirales.zip

Etymology: from Nanghoshaviridae and Nidovirales, child and parent taxa of the suborder; the suffix -virineae for suborder taxa

Taxon: Nanghoshaviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Nanidovirineae | Nanghoshaviridae
Proposal: 2019.020S-023S.zip

Etymology: from Nanhai ghost shark arterivirus, a member of the family; the suffix -viridae for family taxa

Taxon: Nanhypoviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Nanidovirineae | Nanhypoviridae
Proposal: 2019.020S-023S.zip

Etymology: in part referring to Hyporhamphus sajori, the host of Wuhan japanese halfbeak arterivirus, a member of the family; the suffix -viridae for family taxa; derivation unclear

Taxon: Ronidovirineae Rank: suborder
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Ronidovirineae
Proposal: 2017.012_015S.A.v1.Nidovirales.zip

Etymology: from Roniviridae and Nidovirales, child and parent taxa of the taxon; the suffix -virineae for suborder taxa

Taxon: Euroniviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Ronidovirineae | Euroniviridae
Proposal: 2017.012_015S.A.v1.Nidovirales.zip

Etymology: from the Ancient Greek εὖ (), meaning “well" or "good”, and Roniviridae; the suffix -viridae for family taxa; derivation unclear

Taxon: Roniviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Ronidovirineae | Roniviridae
Proposal: Ratification_2002a.pdf
Report Chapter: Roniviridae
PubMed ID: 12376758

Etymology: from rod-shaped nidovirus, referring to the virion morphology of viruses in the family; the suffix -viridae for family taxa

Taxon: Okanivirinae Rank: subfamily
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Ronidovirineae | Roniviridae | Okanivirinae
Report Chapter: Roniviridae
Taxon: Nimanivirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Ronidovirineae | Roniviridae | Okanivirinae | Nimanivirus
Report Chapter: Roniviridae
Taxon: Okavirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Ronidovirineae | Roniviridae | Okanivirinae | Okavirus
Report Chapter: Roniviridae
Taxon: Tornidovirineae Rank: suborder
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Tornidovirineae
Proposal: 2017.012_015S.A.v1.Nidovirales.zip

Etymology: from Tobaniviridae, the consonant r and Nidovirales, two taxa in the taxon and a consonant; the suffix -virineae for suborder taxa

Taxon: Tobaniviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Nidovirales | Tornidovirineae | Tobaniviridae
Proposal: 2017.012_015S.A.v1.Nidovirales.zip

Etymology: from Torovirus, Bafinivirus and Nidovirales, taxa in this family; the suffix -viridae for family taxa

Taxon: Picornavirales Rank: order
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Picornavirales
Proposal: 2005.200-2G.04.Picornavirales.pdf

Etymology: from Picornaviridae (itself from the Spanish pico, meaning "small"or "sharp") and RNA for ribonucleic acid, referring to the size of the RNA genome of viruses in the taxon; the suffix -virales for order taxa

Taxon: Caliciviridae Rank: family
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Picornavirales | Caliciviridae
Proposal: Ratification_1981.pdf
Report Chapter: Caliciviridae
PubMed ID: 10804145

Etymology: from the Latin calix, meaning “cup” or “goblet”, referring to cup-shaped depressions on the virion surface of viruses in the family; the suffix -viridae for family taxa

Taxon: Bavovirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Picornavirales | Caliciviridae | Bavovirus
Report Chapter: Caliciviridae
Taxon: Lagovirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Picornavirales | Caliciviridae | Lagovirus
Report Chapter: Caliciviridae
Taxon: Minovirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Picornavirales | Caliciviridae | Minovirus
Report Chapter: Caliciviridae
Taxon: Nacovirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Picornavirales | Caliciviridae | Nacovirus
Report Chapter: Caliciviridae
Taxon: Nebovirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Picornavirales | Caliciviridae | Nebovirus
Report Chapter: Caliciviridae
Taxon: Norovirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Picornavirales | Caliciviridae | Norovirus
Report Chapter: Caliciviridae
Taxon: Recovirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Picornavirales | Caliciviridae | Recovirus
Report Chapter: Caliciviridae
Taxon: Salovirus Rank: genus
Lineage: Riboviria | Orthornavirae | Pisuviricota | Pisoniviricetes | Picornavirales | Caliciviridae | Salovirus
Report Chapter: Caliciviridae