enameloid
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Enameloid — Aufbau eines Zahns Schnitt durch einen Zahn Der Zahnschmelz (gr. Enamelum, früher lat. Substantia adamantinea) ist die äußere Schicht der … Deutsch Wikipedia
Megalodon — For other uses, see Megalodon (disambiguation). Megalodon Temporal range: Late Oligocene Early Pleistocene 28–1.5 Ma … Wikipedia
chondrostean — ▪ fish Introduction any member of a group of primitive ray finned bony fishes (bony fish) that make up one of the three major subdivisions of the superclass Actinopterygii, the other two being the holosteans (holostean) and the teleosts… … Universalium
Mineralized tissues — Mineralized tissues: sea sponge, sea shells, conch, dentin, radiolarian, antler, bone Mineralized tissues are biological tissues that incorporate minerals into soft matrices. Typically these tissues form a protective shield or structural… … Wikipedia
Chondrichthyes — Cartilaginous fishes Temporal range: 461–0 Ma[1] … Wikipedia
Thelodonti — Temporal range: 453–359 Ma … Wikipedia
Ctenacanthiformes — Sphenacanthus aus dem frühen Karbon von Schottland Zeitraum Mittleres Devon bis Trias Systematik … Deutsch Wikipedia
Carcharodon megalodon — Megalodon Rango temporal: Oligoceno Pleistoceno … Wikipedia Español
Мегалодон — ? Мегалодон Научная классификация … Википедия
root coating — the coating on the upper part of the of the tooth root, usually enameloid in Chondrichthyes (Herman et al., 1994) … Dictionary of ichthyology
