†Spinifrons quadrata Stehli 1954
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Strophomenata - Productida - Productidae
Alternative combination: Spinifrons quadratus
Full reference: F.G. Stehli. 1954. Lower Leonardian Brachiopoda of the Sierra Diablo. Bulletin of the American Museum of Natural History 105(3):257-358
Belongs to Spinifrons according to G. A. Cooper and R. E. Grant 1975
See also Stehli 1954
Sister taxa: Spinifrons delicatula, Spinifrons grandicosta, Spinifrons magna, Spinifrons planoconvexa
Type specimen: AMNH 27300
Distribution:
• Permian of United States (8: Texas collections)
Total: 8 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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