Strophomenata - Orthotetida - Schuchertellidae
Alternative combination: Streptorhynchus pygmaeum
Full reference: G. H. Girty. 1908. The Guadalupian fauna. United States Geological Survey Professional Paper 58:1-651
Belongs to Tropidelasma according to G. A. Cooper and R. E. Grant 1974
See also King 1931
Sister taxa: Tropidelasma anthicum, Tropidelasma corniculum, Tropidelasma costellatum, Tropidelasma culmenatum, Tropidelasma curtum, Tropidelasma daijiagouensis, Tropidelasma elongata, Tropidelasma furcillatum, Tropidelasma gregarium, Tropidelasma perattenuatum, Tropidelasma ptomatis, Tropidelasma rhamphodes, Tropidelasma robertsi, Tropidelasma strobilum, Tropidelasma triangularis, Tropidelasma undulatum, Tropidelasma yamasugensis, Tropidelasma zhongliangshanensis, Erismatina cooperi
Type specimen: Its type locality is USGS 3763 green, Comanche Canyon, Glass Mountains, which is in a Roadian carbonate limestone in the Word Formation of Texas
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Permian of United States (10: Texas collections)
Total: 10 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.