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Janius occidentalis

Rhynchonellata - Spiriferida - Cyrtiidae

Taxonomy
Janius occidentalis was named by Boucot et al. (1988). Its type specimen is USNM 410005 and is a 3D body fossil. Its type locality is USNM loc. 12878, Red Amphitheatre, Funeral Mountains, which is in a Wenlock deep subtidal shelf dolomite in the Hidden Valley Formation of California.

Synonymy list
YearName and author
1988Janius occidentalis Boucot et al. pp. 120 - 121 figs. Plate 9, figs. 1-22

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
Lophophorata
PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderSpiriferida
suborderSpiriferidina
superfamilyCyrtioideaFrederiks 1924
familyCyrtiidaeFrederiks 1924
subfamilyEospiriferinaeSchuchert and Le Vene 1929
genusJaniusHavlicek 1957
speciesoccidentalis

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Janius occidentalis Boucot et al. 1988
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Diagnosis
ReferenceDiagnosis
A. J. Boucot et al. 1988 A species with large, rounded plications that split only anteriorly, on larger specimens.
Measurements
No measurements are available
Composition: low Mg calcitep
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Adult height: 10 to < 100g
Folds: minorg
Ribbing: majorg
Spines: noneg
Internal reinforcement: noneg
Environment: marineuc
Locomotion: stationaryo
Attached: yesp
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2009-06-06 10:51:29
Modified: 2009-06-06 12:51:42
Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade
References: Nesnidal et al. 2013, Aberhan et al. 2004, Hendy 2009

Age range: base of the Sheinwoodian to the top of the Whitwellian or 432.90000 to 429.60000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Sheinwoodian432.9 - 430.6Canada (Nunavut) Janius occidentalis (26003 26009 26013 26014)
Wenlock432.9 - 426.7USA (California) Janius occidentalis (type locality: 226732)
Whitwellian430.6 - 429.6Canada (Northwest Territories) Janius occidentalis (26035 26042)