selachii defined in 1951 year

selachii - selachii;
selachii - a sub-class or order of Ghondrichthyes, containing the sharks, dogfish, skates, and rays. Sharp, rapidly replaced teeth, and upper jaw not fused to skull (Compare with: Holocephali). Occasionally extended to cover various fossil groups of Chrondrichthyes also occasionally restricted solely to sharks and dogfish.

near selachii in Knolik

letter "S"
start from "SE"
selection pressure

definition of word "selachii" was readed 976 times

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