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They do not belong to the same specimen
Wooden frame with glass front
The comparisons with geometric morphometry on numerous dentition rests have brought up the presence of at least two distinguishable morphotypes
Etched pieces range from shiny with well-developed Neumann bands
Contracheirurus
06450 - Great Collection of 5 Striatolamia macrota Shark Teeth Paleocene Rebbachisaurus They do not belong toStriatolamia 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
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