First occurrence of a new Ocruranus-like helcionelloid mollusc from the lower Cambrian of East Gondwana

Christian B. Skovsted; Glenn A. Brock; Timothy P. Topper

doi:10.1016/j.gr.2011.09.003

First occurrence of a new Ocruranus-like helcionelloid mollusc from the lower Cambrian of East Gondwana

Christian B. Skovsted^*, Glenn A. Brock, Timothy P. Topper

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

A new cap-shaped mollusc, . Emargimantus angulatus gen. et sp. nov. is described from the Arrowie Basin of South Australia. The new species is closely comparable to mollusc species from South China and North-East Greenland previously described under the generic name . Ocruranus Liu, a genus recently reinterpreted as a multiplated, possibly polyplacophoran mollusc. . Emargimantus is interpreted as a univalved helcionelloid mollusc and differs from . Ocruranus in both morphology and function. . E. angulatus represents the first discovery of . Ocruranus-like helcionelloids in the lower Cambrian of eastern Gondwana and demonstrates that these molluscs had a global distribution during the early Cambrian.

Original language	English
Pages (from-to)	256-261
Number of pages	6
Journal	Gondwana Research
Volume	22
Issue number	1
DOIs	https://doi.org/10.1016/j.gr.2011.09.003
Publication status	Published - Jul 2012

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abstract = "A new cap-shaped mollusc, . Emargimantus angulatus gen. et sp. nov. is described from the Arrowie Basin of South Australia. The new species is closely comparable to mollusc species from South China and North-East Greenland previously described under the generic name . Ocruranus Liu, a genus recently reinterpreted as a multiplated, possibly polyplacophoran mollusc. . Emargimantus is interpreted as a univalved helcionelloid mollusc and differs from . Ocruranus in both morphology and function. . E. angulatus represents the first discovery of . Ocruranus-like helcionelloids in the lower Cambrian of eastern Gondwana and demonstrates that these molluscs had a global distribution during the early Cambrian.",

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AB - A new cap-shaped mollusc, . Emargimantus angulatus gen. et sp. nov. is described from the Arrowie Basin of South Australia. The new species is closely comparable to mollusc species from South China and North-East Greenland previously described under the generic name . Ocruranus Liu, a genus recently reinterpreted as a multiplated, possibly polyplacophoran mollusc. . Emargimantus is interpreted as a univalved helcionelloid mollusc and differs from . Ocruranus in both morphology and function. . E. angulatus represents the first discovery of . Ocruranus-like helcionelloids in the lower Cambrian of eastern Gondwana and demonstrates that these molluscs had a global distribution during the early Cambrian.

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First occurrence of a new Ocruranus-like helcionelloid mollusc from the lower Cambrian of East Gondwana

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