Gastropoda - Trochoidea - Turbinidae
Alternative combinations: Astraea (Pachypoma) biangulata, Pachypoma biangulata
Synonyms: Astraea raymondi Clark 1915, Astralium raymondi Clark 1915, Calliostoma bicarinatum Clark 1915, Calliostoma obliquistriata Trask 1922
Full reference: W. M. Gabb. 1866. Section I. Tertiary Invertebrate Fossils. Part I. Description of New Species. Palaeontology of California, Volume II, Cretaceous and Tertiary Fossils 1-38
Belongs to Astraea (Pomaulax) according to C. A. Hall 2002
See also Addicott 1970, Clark 1915, Gabb 1866, Mitchell and Repenning 1963, Stewart 1927 and Trask 1922
Sister taxa: Astraea (Pomaulax) breaensis, Astraea (Pomaulax) morani, Pomaulax gibberosa, Pomaulax gradata
Type specimens:
- Astraea (Pomaulax) biangulata: ANSP 4327, a shell
- Astraea raymondi:
- Calliostoma bicarinatum:
- Calliostoma obliquistriata: UCMP 12385.
Ecology: epifaunal grazer
Distribution:
• Miocene of Australia (2 collections), United States (1: California)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.