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Mabella conferta

Strophomenata - Strophomenida - Leptellinidae

Taxonomy
Leptellina conferta was named by Popov (1985) [Leptellina? conferta]. Its type specimen is CNIGR 17/11989 and is a 3D body fossil.

It was recombined as Wiradjuriella conferta by Percival (1991); it was recombined as Mabella conferta by Popov et al. (2002).

Synonymy list
YearName and author
1985Leptellina conferta Popov p. 56 figs. pl. 2, figs 1–6, text-figs 1, 2.
1991Wiradjuriella conferta Percival p. 140
2002Mabella conferta Popov et al. p. 43 figs. Pl. 5, figs 19–29

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classStrophomenataWilliams et al 1996
orderStrophomenidaOpik 1934
superfamilyPlectambonitoideaJones 1928
familyLeptellinidaeUlrich and Cooper 1936
subfamilyLeptellininaeUlrich and Cooper 1936
genusMabellaKlenina 1984
speciesconferta(Popov 1985)

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. 2002Shell concavoconvex, transverse, semioval in outline, length about three-quarters of the width, with maximum width at the hinge line. Anterior commissure rectimarginate. Ventral valve strongly convex in transverse and lateral profiles with the maximum thickness slightly posterior to mid-length. Planar strongly apsacline interarea and small, convex pseudodeltidium. Dorsal valve gently concave to almost flat, with a planar, anacline interarea and disjunct chilidial plates. Radial ornament very fine, unequally parvicostellate, with up to five accentuated parvicostellae per 3 mm along the anterior margin of mature specimens.

Ventral interior with strong teeth lacking dental plates. Cordate muscle field with short, ridge-like adductor scars completely separating strongly impressed diductor scars. Strong, slightly divergent, saccate mantle canals. Dorsal interior with low, trifid cardinal process facing posteriorly, short socket ridges subparallel to the hinge line. Lophophore platform about 90% valve length and 87% as wide as maximum valve width, bordered by a high, ridge-like rim divided medially. High median septum about three-quarters as long as the valve, not joined anteriorly with the subperipheral rim.