In order to classify them it would be necessary to cut off a section for analysis
This ceratopsid dinosaur
middle dentition composed of laterally compressed blade-like teeth with anterior and posterior serrated carinae
he tentatively described the fossil material as the jaw fragments of a ctenochasmatid pterosaur (a flying reptile)
It's just sort of a rounded and flattened shape
06447 - Great Collection of 6 Striatolamia macrota Shark Teeth Paleocene Psammechinus In order to classify themStriatolamia macrota, Agassiz 1843 (sand tiger shark) Chondrichthyes Lamniformes Odontaspididae Alternative combination: Carcharias macrota Belongs to Striatolamia according to G. Cuny and S. Risnes 2005 See also Long 1992, Long and Stilwell 2000 and Squires 2001 Ecology: nektonic carnivore Environments: marine, offshore, estuary bay, marginal marine , terrestrial , reef, buildup or bioherm , shallow subtidal , deep subtidal shelf. Age range: 55. 8 to