New bizarre micro-spiriferid brachiopod from the Early Carboniferous of China

• Autorzy: Sun Y , Balinski A. , Ma X. , Zhang Y.
• Języki publikacji: EN

Abstrakty

EN

The verneuiliid brachiopod Changshunella yangi gen. et sp. nov. is described from the Early Carboniferous Muhua Formation of Guizhou, China. This rather unusual form is characterized by having very small shell dimensions (2.6–4 mm in length), a very high flat procline ventral interarea, and by having three prominent plications on both valves that are arranged 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.

Słowa kluczowe

EN

Carboniferous; verneuiliid brachiopod; brachiopod; China; Muhua Formation; Verneuiliidae; Early Carboniferous; Brachiopoda; Changshunella yangi; paleontology

• Wydawca: -
• Czasopismo: Acta Palaeontologica Polonica
• Rocznik: 2004
• Tom: 49
• Numer: 2
• Opis fizyczny: p.267-274,fig.,ref.

Twórcy

autor

Sun Y

• Peking University, Beijing 100871, China

autor

Balinski A.

autor

Ma X.

autor

Zhang Y.

Bibliografia

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