Rhynchonellata - Spiriferida - Trigonotretidae
Alternative combination: Trigorhium amphigyus
Full reference: G. A. Cooper and R. E. Grant. 1976. Permian Brachiopods from West Texas, IV. Smithsonian Contributions to Paleobiology 21:1923-2607
Belongs to Neospirifer according to F. Sour-Tovar et al. 2005
See also Cooper and Grant 1976 and Waterhouse 2004
Sister taxa: Neospirifer (Neospirifer), Neospirifer (Quadrospira), Neospirifer amplus, Neospirifer apothescelus, Neospirifer bakeri, Neospirifer borealis, Neospirifer cameratiformis, Neospirifer cameratus, Neospirifer campbelli, Neospirifer chivatschensis, Neospirifer crassiconchialis, Neospirifer dunbari, Neospirifer fasciger, Neospirifer foordi, Neospirifer formulosus, Neospirifer goreii, Neospirifer gortani, Neospirifer grandis, Neospirifer gruenewaldtianus, Neospirifer huecoensis, Neospirifer incipiens, Neospirifer invisus, Neospirifer kalashnikovi, Neospirifer kansasensis, Neospirifer koewbaidhoni, Neospirifer lanceolatus, Neospirifer latus, Neospirifer licharewi, Neospirifer mansuetus, Neospirifer mengjiushanensis, Neospirifer neali, Neospirifer neocameratus, Neospirifer neostriatus, Neospirifer notialis, Neospirifer omolonensis, Neospirifer orientalis, Neospirifer paranitiensis, Neospirifer parenensis, Neospirifer permicus, Neospirifer placidus, Neospirifer plana, Neospirifer poletaevi, Neospirifer praenuntius, Neospirifer pristinus, Neospirifer pseudonitiensis, Neospirifer rhomboidalis, Neospirifer rhomboides, Neospirifer shenshuensis, Neospirifer snjatkovi, Neospirifer sodalis, Neospirifer sterlitamakensis, Neospirifer subfasciger, Neospirifer tajmyrica, Neospirifer tegulatus, Neospirifer tricostatus, Neospirifer trimuensis, Neospirifer undatus, Neospirifer venezuelensis, Neospirifer wynneiformis, Spirifer (Neospirifer) bakeri, Spirifer (Neospirifer) huecoensis, Wadispirifer ravana, Wadispirifer grandis, Wadispirifer hongdeensis
Type specimen: USNM 152894y, a shell (Articulated shell)
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of Mexico (1 collection), United States (13: Texas)
Total: 14 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.