Gastropoda - Sorbeoconcha - Hipponicidae
Alternative combination: Hipponyx arnoldi
Synonym: Hipponyx ornata Dickerson 1917
Full reference: R. E. Dickerson. 1917. Climate and its influence upon the Oligocene faunas of the Pacific Coast, with descriptions of some new species from the Molopophorus lincolnensis Zone. Proceedings of the California Academy of Sciences 7(6):157-192
Belongs to Hipponix according to W. L. Effinger 1938
See also Dickerson 1917 and Durham 1944
Sister taxa: Hipponix (Antisabia), Hipponix (Malluvium), Hipponix (Pilosabia), Hipponix antiquatus, Hipponix conicus, Hipponix demissus, Hipponix dichotomus, Hipponix interruptus, Hipponix pristinus, Hipponix tumens, Hipponyx ainamurensis, Hipponyx carpenteri, Hipponyx ceras, Hipponyx conoides, Hipponyx cornucopae, Hipponyx costata, Hipponyx gomai, Hipponyx ovalis, Hipponyx pygmaea, Hipponyx woodi
Type specimens:
- Hipponix arnoldi: CAS 436 and 437 (cotypes). Its type locality is CAS loc. 181, Cowlitz River, 4mi E. of Vader, which is in an Eocene coastal sandstone/conglomerate in Washington.
- Hipponyx ornata: CAS 439. Its type locality is CAS loc. 181, Cowlitz River, 4mi E. of Vader, which is in an Eocene coastal sandstone/conglomerate in Washington.
Ecology: facultatively mobile epifaunal grazer-suspension feeder
Distribution:
• Eocene of United States (3: Washington collections)
Total: 3 collections including 4 occurrences
Specimen images are retrieved through the ePANDDA API.
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