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Description
English: Comparison of modern Limulus polyphemus (left) and oldest known member of the genus Limulus darwini (right) from Corbulomima horizon of unit III from Late Jurassic (upper Tithonian = Middle Volgian) sedimentary sequence at Owadów-Brzezinki Quarry (central Poland). (X), (Y) and (Z) - details emphasized, are most substantial morphological difference between both these forms. (cl) - cardiac lobe; (opr) – opisthosomal rim; (pa) – posterial area. Morphological elements of L. darwini exoskeleton not known from the fossil record (i.e. movable spines and telson) emphasized in grey.
Date
Source Kin A, Błażejowski B (2014) The Horseshoe Crab of the Genus Limulus: Living Fossil or Stabilomorph? PLoS ONE 9(10): e108036. doi:10.1371/journal.pone.0108036
Author Adrian Kin, Błażej Błażejowski

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Limulus(Living Fossil)

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2 October 2014

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current06:02, 12 October 2014Thumbnail for version as of 06:02, 12 October 20141,849 × 2,030 (795 KB)AnimalpartyUser created page with UploadWizard

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