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Cassidirostrum vexans

Rhynchonellata - Rhynchonellida - Hebetoechiidae

Taxonomy
Cassidirostrum vexans was named by Johnson (1971). Its type specimen is USNM 157420 and is a 3D body fossil. Its type locality is USNM 17213. 1900 ft west of VABM 7936. Lone Mountain. Bartine Ranch Quadrangle, which is in an Eifelian marine limestone in the Denay Limestone Formation of Nevada.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1971Cassidirostrum vexans Johnson pp. 314 - 315 figs. Pl. 44, figs. 14-38

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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
orderRhynchonellidaKuhn 1949
superfamilyUncinuloideaRzonsnitskaya 1956
familyHebetoechiidaeHavlicek 1960
subfamilyBeckmanniinaeSavage 1996
genusCassidirostrum
speciesvexans

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.

Cassidirostrum vexans Johnson 1971
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Diagnosis
ReferenceDiagnosis
J. G. Johnson 1971A multicostate species of Cassidirostrum with a relatively flat pedicle valve.
Measurements
No measurements are available
Composition: low Mg calcitep
Environment: marineuc
Locomotion: stationaryo
Attached: yesp
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2004-02-28 14:12:25
Modified: 2004-02-28 16:12:25
Source: o = order, c = class, p = phylum, uc = unranked clade
References: Aberhan et al. 2004, Nesnidal et al. 2013

Age range: Eifelian or 393.30000 to 387.70000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Eifelian393.3 - 387.7USA (Nevada) Cassidirostrum vexans (type locality: 44137)