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Parastrophina anceps

Rhynchonellata - Pentamerida - Parastrophinidae

Taxonomy
Rhynchocamera anceps was named by Reed (1944).

It was recombined as Parastrophina anceps by Williams (1962) and Candela and Harper (2014).

Sister species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1944Rhynchocamera anceps Reed p. 219 figs. pl. iii, figs.4, 4a
1962Parastrophina anceps Williams pp. 226 - 227 figs. P1. XXIII, figs. 12-18; Fig. 10
2014Parastrophina anceps Candela and Harper pp. Supplement 1

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderPentameridaSchuchert and Cooper 1931
suborderSyntrophiidinaUlrich and Cooper 1936
superfamilyCamerelloideaHall and Clarke 1894
familyParastrophinidaeUlrich and Cooper 1938
genusParastrophina
speciesanceps(Reed 1944)

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.

Diagnosis
ReferenceDiagnosis
A. Williams 1962Transversely trigonal Parastrophina over four-fifths as long as wide; young shells gently biconvex and rectimarginate, adult specimens over one-half as thick as wide, wedge-shaped in lateral profile with a deeply uniplicate anterior commissure; ventral sulcus bearing up to 5 low costae with 1 or 2 additional ones commonly developed on the antero-lateral flanks; spondylial septum almost one-third as long as the pedicle valve, cruralial septum shorter, just over one-quarter as long as the brachial valve.