†Sigmelasma Potter 1990 (lamp shell)
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Rhynchonellata - Orthida - Wangyuiidae
Parent taxon: Wangyuiidae according to L. Hints 2012
See also Sepkoski 2002 and Williams et al. 2000
Sister taxa: Alpeisinae, Bowanorthis, Toxorthis, Wangyuia, Wangyuiinae
Subtaxa: Sigmelasma pantherae Sigmelasma peepi
Type: Sigmelasma pantherae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of Estonia (6 collections), United States (36: California)
Total: 42 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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