Ctenacanthiformes is an extinct order of cartilaginous fish. They possessed ornamented fin spines at the front of their dorsal fins and cladodont-type dentition, that is typically of a grasping morpho
Ctenacanthus formosus 1
Dracopristis is an extinct genus of ctenacanth that lived during the Carboniferous period in North America, around 307 million years ago. The species was discovered in the Kinney Brick Quarry in New M
Ctenacanthiformes
…Bythiacanthus St. John and Worthen 1875 (Early Carboniferous) Dracopristis Hodnett et al. 2021 (Late Carboniferous) Glencartius Ginter and Skompski 2019 (Early Carboniferous…
Dracopristis skeleton cast
An exposure of limestone belonging to the Atrasado Formation, photographed along a roadcut near Jemez Springs, New Mexico
The articulated remains of a large symmoriiform similar to Cobelodus, discovered at the Kinney Brick Quarry