Rhynchonellata - Terebratulida - Cryptonellidae
Full reference: G. H. Girty. 1909. The Guadalupian fauna. United States Geological Survey Professional Paper 58:1-651
Belongs to Heterelasma according to G. A. Cooper and R. E. Grant 1976
See also Cloud 1944
Sister taxa: Dielasma (Heterelasma) semitarium, Heterelasma angulatum, Heterelasma biplexiforme, Heterelasma concavum, Heterelasma contortum, Heterelasma contrerasi, Heterelasma geniculatum, Heterelasma gibbosum, Heterelasma glansfagea, Heterelasma leganyii, Heterelasma lenticularia, Heterelasma magnum, Heterelasma ngariensis, Heterelasma pentagonum, Heterelasma quadratum, Heterelasma solidum, Heterelasma sulciplicatum, Heterelasma venustulum
Type specimen: USNM 118584, a shell (Articulated shell)
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Permian of Mexico (1 collection), United States (28: New Mexico, Texas)
Total: 29 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.