Helcionelloida - Helcionellida - Stenothecidae

Full reference: D.I. MacKinnon. 1985. New Zealand late Middle Cambrian molluscs and the origin of Rostroconchia and Bivalvia. Alcheringa 9(1/2):65-81

Parent taxon: Stenothecidae according to M. J. Vendrasco et al. 2011

See also MacKinnon 1985, Parkhaev 2002 and Sepkoski 2002

Sister taxa: Acanthotheca, Mellopegma, Planutenia, Pseudoscenella, Stenotheca, Stenothecinae, Watsonellinae

Subtaxa: Eurekapegma cooperi

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Ecology: stationary epifaunal suspension feeder

Distribution: found only at Trilobite Rock, South Island (Cambrian of New Zealand)

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Specimen images are retrieved through the ePANDDA API.