Hyolitha - Orthothecida - Orthothecidae
Alternative spellings: Hyolithes (Orthotheca), Hyolithus (Orthotheca)
Parent taxon: Orthothecidae according to J. M. Malinky 2009
See also Fisher 1962, Henningsmoen 1952, Holm 1893, Malinky 1990, Malinky 2003, Reed 1909 and Sepkoski 2002
Sister taxa: Bactrotheca, Lenatheca, Lentitheca, Quadrotheca, Semielliptotheca, Trapezotheca
Subtaxa: Hyolithus (Orthotheca) holmi Hyolithus (Orthotheca) striata Orthotheca bayonet Orthotheca buelna Orthotheca corrugata Orthotheca daulis Orthotheca doris Orthotheca interstrialis Orthotheca shriveri Orthotheca suavis Orthotheca subornatus Orthotheca teretiuscula
Type: Cryptocaris suavis
Ecology: stationary epifaunal suspension feeder
Distribution:
• Devonian of Czechia (2 collections), Germany (1), Morocco (9), South Africa (5), United States (1: Pennsylvania)
• Silurian of Czechia (1)
• Arenig of Argentina (1)
• Ordovician of Argentina (1), China (1), France (2), Spain (1), Sweden (2), the United Kingdom (3)
• Cambrian of Germany (1), Mexico (1), the Russian Federation (1), the United Kingdom (1), United States (3: Idaho, Vermont)
• Solvan of Sweden (1)
• Amgan of Norway (1)
• Placentian of Canada (1: Newfoundland and Labrador)
Total: 40 collections including 43 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.