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Parastrophina portentosa

Rhynchonellata - Pentamerida - Parastrophinidae

Taxonomy
Parastrophinella portentosa was named by Nikitin et al. (1996) [Nikitin and Popov in Nikitin et al. 1996: ]. Its type specimen is CNIGR 28/12888, a valve (conjoined valves), and it is a 3D body fossil. Its type locality is F-1014. Sortan-Manai salt marsh, Betpak-Dala desert, mud mound, which is in a Katian reef, buildup or bioherm floatstone in the Dulankara Formation of Kazakhstan.

It was recombined as Parastrophina portentosa by Jin and Popov (2008).

Sister species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1996Parastrophinella portentosa Nikitin et al. p. 91 figs. 5C, 6A–K
2008Parastrophina portentosa Jin and Popov pp. 225 - 226, Appendix 2 figs. 4, 5

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
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
speciesportentosa(Nikitin et al. 1996)

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
J. Jin and L. E. Popov 2008Shell subpentagonal, dorsibi− convex, asymmetrical, with sigmoidal anterior commissure; ventral sulcus and dorsal fold originating at 7 mm or more from apex; costae subangular, 5–12 per valve, present in shells larger than 11 mm long. Spondylium V−shaped in transverse cross section, supported by medium septum along its entire length; septalium narrow, usually asymmetrical in cross section, supported by low median septum.