Holothuroidea - Apodida - Achistridae
Alternative combinations: Achistrum brownwoodensis, Ancistrum brownwoodensis
Full reference: C. Croneis and J. McCormack. 1932. Fossil Holothuroidea. Journal of Paleontology 6(2):111-148
Belongs to Achistrum (Achistrum) according to J. S. Hampton 1958
See also Croneis and McCormack 1932, Deflandre-Rigaud 1952, Kornicker 1954, Kornicker and Imbrie 1958 and Summerson and Campbell 1958
Sister taxa: none
Type specimen: Its type locality is Claypit, Bridgeport, Wise County, which is in a Missourian marine claystone in the Graford Formation of Texas
Distribution:
• Permian of United States (3: Kansas collections)
• Carboniferous of United States (2: Kentucky, Texas)
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.