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Qilianotryma

Rhynchonellata - Atrypida - Atrypinidae

Taxonomy
Qilianotryma was named by Xu (1979) [Sepkoski's age data: O m Sepkoski's reference number: ZR84]. It is not extant. Its type is Qilianotryma mirabile.

It was assigned to Spirigerininae by Popov et al. (1999) and Williams et al. (2002); and to Atrypida by Sepkoski (2002).

Synonyms
Synonymy list
YearName and author
1979Qilianotryma Xu
1999Qilianotryma Popov et al. p. 632
2002Euroatrypa Sepkoski, Jr.
2002Orthocarina Sepkoski, Jr.
2002Qilianotrypa Sepkoski, Jr.
2002Qilianotryma Williams et al. p. 1432

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderAtrypidaRzhonsnitskaya 1960
suborderAtrypidinaMoore 1952
superfamilyAtrypoideaGill 1871
familyAtrypinidaeMcEwan 1939
subfamilySpirigerininaeRzhonsnitskaya 1974
genusQilianotrymaXu 1979

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
L.E. Popov et al. 1999 Atrypinidae with dorsibiconvex, transverse shell; ventral beak strongly curved dorsally; posterior commissure wide, broadly rounded, anterior commissure parasulcate; ventral sulcus and dorsal median fold originating at the umbonal area and sharpened by low, angular plications on flanks; radial ornament fine, equally multicostellate with accentuated median rib in ventral valve; ventral interior with hinge teeth strong; dental plates rudimentary or absent; dorsal interior with very fine median ridge and pair of oblique submedian ridges; spiralia with up to six whorls and with apices directed dorso-medially, jugum incomplete, located posteriorly.