Spinacanthus
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Spinacanthus

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Description

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Spinacanthus cuneiformis is an extinct prehistoric tetraodontid bony fish that lived from the Lutetian epoch of Eocene Monte Bolca. In life, it would have resembled a somewhat-flattened boxfish with five massive spines along the anterior-dorsal side, with the longest spine directly above the forehead, and the shortest spine directly in front of the dorsal fin. It is distinguished from its close, sympatric relative, Protobalistum, in that its individual scales are relatively small, and do not touch each other. (In Protobalistum, the scales are large, and form a sort of armor).show more

Product details

  • Paperback | 92 pages
  • 152 x 229 x 6mm | 145g
  • Serv
  • United States
  • English
  • Aufl.
  • 6137940497
  • 9786137940495