Sun, Y.; Baliński, A.; Ma, X.; Zhang, Y. (2004). New bizarre micro-spiriferid brachiopod from the Early Carboniferous of China. Acta Palaeontologica Polonica. 49(2): 267-274.

505221

10.5281/zenodo.13507972 [view]

Sun, Y.; Baliński, A.; Ma, X.; Zhang, Y.

2004

49(2): 267-274

Publication

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The verneuiliid brachiopod Changshunella yangi gen. et sp. nov. is described from the Early Carboniferous Muhua For- mation of Guizhou, China. This rather unusual form is characterized by having very small shell dimensions (2.6–4mm in length), a very high flat procline ventral interarea, and by having three prominent plications on both valves that are ar- ranged in opposed folding; the last feature is characteristic for the family Verneuiliidae. We suggest that the family has been derived from an offshoot of the stock that produced the superfamilies Spiriferoidea, Paeckelmanelloidea, and Brachythyridoidea by developing opposed folding and loss of dental plates or dental adminicula as exemplified by Verneuilia and Changshunella gen. nov.

Brachiopoda

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