Subject ASC00005kt

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature.
v. 21 (1885), Page 228 (1885)
MBLWHOI Library
BHL Page 1938983

Keywords

fish anatomy torpediae teeth tooth dermal tubercle skeleton skull spine pectoral fins dorsal fins jaws head rostrum spines dental series rostral tooth after Hancock and Howse after Owen fossil Polyrhizodus radicans shark Petalorhynchus psittacinus Fossil Fanassa jaw Squaloraja polyspondyla Pristis ray saw-fish Pristis Hastingsiae Torpedinidae Raja antiqua

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Species