Pseudomonticlarella Smirnova 1987
Genus Pseudomonticlarella Smirnova, 1987 Type species. Pseudomonticlarella varia Smirnova, 1987 Diagnosis. Small, equibiconvex, striate, somewhat ligate; outline variable from rounded-triangular to rounded or pyriform; maximum width at midvalve; 3 to 5 lateral folds or plicae; anterior commissure wi...
Main Authors: | , , , , |
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Format: | Other/Unknown Material |
Language: | unknown |
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Zenodo
2014
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Subjects: | |
Online Access: | https://doi.org/10.5281/zenodo.5236146 http://treatment.plazi.org/id/466F6C33625EFFB9968541D3FC9F35E5 |
Summary: | Genus Pseudomonticlarella Smirnova, 1987 Type species. Pseudomonticlarella varia Smirnova, 1987 Diagnosis. Small, equibiconvex, striate, somewhat ligate; outline variable from rounded-triangular to rounded or pyriform; maximum width at midvalve; 3 to 5 lateral folds or plicae; anterior commissure with lateral folds resembling Monticlarella ventral sulcus broadly arcuate with trapezoidal linguiform extension; ventral umbo long with pointed and slightly incurved beak; foramen small, hypothyrid. Hinge teeth long, deeply inserted; dental plates subparallel to weakly ventrally divergent; strong socket ridges; elongated hinge plates supported by strong, low septum. From Manceñido et al. 2002, p. 1314. Discussion. This diagnosis is for the genus established by monotypy. Therefore, it is also the diagnosis for the type species, Pseudomonticlarella varia Smirnova. It does not require emendation in the light of the new Spitsbergen material. Occurrence. Upper Volgian–Lower (?Upper) Ryazanian. Published as part of Sandy, Michael R., Hryniewicz, Krzysztof, Hammer, Øyvind, Nakrem, Hans Arne & Little, Crispin T. S., 2014, Brachiopods from Late Jurassic-Early Cretaceous hydrocarbon seep deposits, central Spitsbergen, Svalbard, pp. 501-532 in Zootaxa 3884 (6) on page 507, DOI:10.11646/zootaxa.3884.6.1, http://zenodo.org/record/4951742 |
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