External view of an ammonite fossil Perisphinctes sp from Madagascar Jurassic Period

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Size: 5150px × 3447px
Photo credit: © Martin Shields / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ammonite, ammonites, ammonoid, ammonoidea, animal, cephalopod, cephalopoda, chambers, cut-, extinct, fossil, fossilized, fossils, index, invertebrate, jurassic, madagascar, marine, mollusca, mollusk, paleontology, period, perisphinctes, planispiral, septa, sp, spiral, zoology