Ostenocaris
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Ostenocaris is a Jurassic species of giant Thylacocephalan crustacean, sufficiently distinct from its relatives to be placed in its own family, Ostenocarididae. It comprises at least two known species
Ostenocaris cypriformis fossil and reconstructive model; the latter shows the life position as originally interpreted, with the "cephalic sac" lacking eyes downward (assumed partially sunken into the bottom sediments).
Fossil of Ostenocaris
Thylacocephala
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Thylacocephala is an extinct group of mandibulate arthropods, that are generally regarded as a kind of crustacean, though their exact position within this group is uncertain. As a class they have a sh
Ostenocaris
…Ostenocaris is a Jurassic species of giant Thylacocephalan crustacean, sufficiently distinct from its relatives to be placed in its own family, Ostenocarididae. It comprises at least two known species, Ostenocaris…
Thylacares brandonensis S12862 014 0159 2 10
Ankitokazocaris fossil (Triassic)
Protozoea hilgendorfi
Mayrocaris bucculata