Multicuspidate shark teeth associated with chondrichthyan and acanthodian scales from the Emsian (Devonian) of southern Algeria Author Derycke, Claire Author Goujet, Daniel text Geodiversitas 2011 2011-06-30 33 2 209 226 http://dx.doi.org/10.5252/g2011n2a1 journal article 10.5252/g2011n2a1 601437bd-40a5-40dc-8fda-72b0aa119041 1638-9395 4597045 Genus Tassiliodus n. gen. TYPE SPECIES . — Tassiliodus lessardi n.sp. ( MNHN .F.ALD - 15, Fig. 4A ). ETYMOLOGY. — From Tassili, origin of the material, and -odus, tooth. DIAGNOSIS. — Crown with three diverging main cusps, the middle one being shorter than the two diverging lateral ones, intermediate cusplets in a more labial position than the main ones, rugose base oriented lingually. Scales with a flat base, a high neck and ridges on the crown, histological structure with an extensive network of wide vascular canals through the neck and base, box-in-box pattern, pallial dentine and mesodentine.