†Merriamaster Lambert 1911 (sand dollar)
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Echinoidea - Clypeasteroida - Dendrasteridae
Synonym: Orchoporus Lambert and Thiery 1914
Parent taxon: Dendrasteridae according to J. W. Durham 1955
See also Durham 1966, Grant and Hertlein 1938 and Sepkoski 2002
Sister taxa: Dendraster, Scaphechinus, Scutellaster
Subtaxa: Merriamaster perrini Merriamaster weaveri Orchoporus koehleri Orchoporus lamberti
Ecology: slow-moving semi-infaunal detritivore
Distribution:
• Blancan of United States (2: California collections)
• Pliocene of United States (6: California)
• Miocene of United States (1: California)
Total: 9 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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