Rhynchonellata - Orthida - Hesperorthidae
Synonym: Schizoramma Foerste 1912 [objective synonym]
Parent taxon: Hesperorthidae according to A. Williams et al. 2000
See also Sepkoski 2002
Sister taxa: Barbarorthis, Dolerorthis, Flabellitesia, Hesperorthis, Lordorthis, Paradolerorthis, Ptychopleurella
Subtaxa: Schizonema capillatum Schizonema fissistriata Schizoramma valentica
Type: Hebertella (Schizonema) fissistriata
Ecology: stationary epifaunal suspension feeder
Distribution:
• Jaani of Lithuania (2 collections)
• Silurian of Canada (1: Quebec), Kazakhstan (1), Lithuania (2), Norway (7), the United Kingdom (31), United States (22: California, Indiana, New York, Oklahoma, Wisconsin)
• Ordovician to Silurian of Norway (1)
• Ordovician of Sweden (1), the United Kingdom (1)
Total: 69 collections including 74 occurrences
Specimen images are retrieved through the ePANDDA API.
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