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Janus

Description

In ancient Roman religion and myth, Janus (JAY-nəs; Latin: IANVS (Iānus), pronounced [ˈjaːnʊs]) is the god of beginnings, gates, transitions, time, duality, doorways, passages, and endings. He is usually depicted as having two faces, since he looks to the future and to the past. It is conventionally thought that the month of January is named for Janus (Ianuarius), but according to ancient Roman farmers' almanacs Juno was the tutelary deity of the month.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)1334172https://www.gbif.org/species/1334172
PaleoBioDB ID (PBDB)139655https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=139655
Rankgenus
Taxonomy (GBIF,PBDB)Life : Animalia : Arthropoda : Insecta : Hymenoptera : Cephidae : Janus
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-Bilateria
-EubilateriaAx 1987
-ProtostomiaGrobben 1908
-Ecdysozoa
-Panarthropoda
phylumArthropodaLatreille 1829
subphylumMandibulata
-Pancrustacea
superclassHexapodaLatreille 1825
-CercofilataKukalová-Peck 1987
classInsectaLinnaeus 1758
-Dicondylia
-ParanotaliaSroka et al. 2014
subclassPterygotaBrauer 1885
-NeopterygotaCrampton 1924
infraclassNeopteraMartynov 1923
-Holometabola
orderHymenopteraLinnaeus 1758
-UnicalcaridaSchulmeister et al. 2002
superfamilyCephoideaNewman 1835
familyCephidaeNewman 1835
genusJanusStephens 1829
Scientific NameJanus Stephens, 1829
Name Published InIll. Brit. Ent. (Mand. 7)
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Janusgenusbelongs to Cephidaestated without evidenceCarpenter, 1992
Janusgenusbelongs to Cephidaestated with evidenceArchibald and Rasnitsyn, 2015
Status (PBDB)extant
Taxon Size (PBDB)2
Extant Size (PBDB)1 (50%)
First Recorded Appearance37.2 - 33.9 Ma
Paleogene
Environmentterrestrial (based on Insecta)
Motilityactively mobile (based on Arthropoda)
Taphonomychitin (based on Insecta)
Primary Reference (PBDB)F. M. Carpenter. 1992. Treatise on Invertebrate Paleontology Part R, Arthropoda 4: Superclass Hexapoda 3/4:1-655
Wikipediahttps://en.wikipedia.org/wiki/Janus

External Images

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Janus abbreviatus
species
accepted (GBIF)No associated record in PBDB
Janus bimaculatus
species
accepted (GBIF)No associated record in PBDB
Janus compressus
species
accepted (GBIF)No associated record in PBDB
Janus cynosbati
species
accepted (GBIF)No associated record in PBDB
Janus disperditus
species
accepted (GBIF)
listed (PBDB)
137.2 Ma
Eocene
37.2 Ma
Eocene
Janus integer
species
accepted (GBIF)No associated record in PBDB
Janus luteipes
species
accepted (GBIF)No associated record in PBDB
Janus malaisei
species
accepted (GBIF)No associated record in PBDB
Janus quercusae
species
accepted (GBIF)No associated record in PBDB

Obsolete Names

NameSourceTaxon RankTaxonomy
Ephippionotus A.Costa, 1860GBIFgenusAnimalia : Arthropoda : Insecta : Hymenoptera : Cephidae : Ephippionotus

Synonymy List

YearName and Author
1835Janus Stephens p. 107
1992Janus Carpenter
2015Janus Archibald and Rasnitsyn p. 210

References

Carpenter F. M. (1992) , Treatise on Invertebrate Paleontology Part R, Arthropoda 4: Superclass Hexapoda 3/4, 1-655
Archibald S. B., Rasnitsyn A. P. (2015) Taxonomic names, in New early Eocene Siricomorpha (Hymenoptera: Symphyta: Pamphiliidae, Siricidae, Cephidae) from the Okanagan Highlands, western North America, The Canadian Entomologist 148, 209-228
CoL2006 - via The Interim Register of Marine and Nonmarine Genera
Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera
SN2000: Brands, S. J. (compiler) 1989-2005. Systema Naturae 2000. Amsterdam, The Netherlands (2006 version). Available online at http://sn2000.taxonomy.nl/. - via The Interim Register of Marine and Nonmarine Genera
as per family - via The Interim Register of Marine and Nonmarine Genera
Ill. Brit. Ent. (Mand. 7) - via The Interim Register of Marine and Nonmarine Genera
Taeger, Blank, M. & Liston, D. (2010) World Catalog of Symphyta (Hymenoptera) - via Dyntaxa. Svensk taxonomisk databas
Nom. Brit. Ins. - via The Interim Register of Marine and Nonmarine Genera
Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera
as per family - via The Interim Register of Marine and Nonmarine Genera
as per synonymized taxon - via The Interim Register of Marine and Nonmarine Genera
refer synonym source - via The Interim Register of Marine and Nonmarine Genera
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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