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Anomalocaris ("unlike other shrimp", or "abnormal shrimp") is an extinct genus of radiodont, an order of early-diverging stem-group marine arthropods.. It is best known from the type species A. canadensis, found in the Stephen Formation (particularly the Burgess Shale) of British Columbia, Canada.
In 1979, Derek Briggs recognized that the fossils of Anomalocaris were appendages, not abdomens, but interpreted them as walking legs alongside "Appendage F". [88] It was not until 1985 that the true nature of the fossils of Anomalocaris, Laggania, and Peytoia was recognized, and they were all assigned to a single genus, Anomalocaris. [33]
There were more than 13,000 lenses in the largest eyes, which were over 3 cm in diameter. The individual lenses were large, with some exceeding 335 μm in diameter, which was possibly an adaptation to seeing in low-light waters. [2] The oral cone was triradial with three large plates, with the plates being studded with numerous tubercules. [1]
Dinocaridida [derivation 1] is a proposed fossil taxon of basal arthropods, [3] which flourished during the Cambrian period and survived up to Early Devonian.Characterized by a pair of frontal appendages and series of body flaps, the name of Dinocaridids (Greek for deinos "terrible" and Latin for caris "crab") refers to the suggested role of some of these members as the largest marine ...
Sebecids were terrestrial crocodiles, meaning they lived and hunted on land. Essentially, Barinasuchus was a land-dwelling predator that was the height of a man, weighed over 3,000 lbs, and was 25 ...
Schinderhannes bartelsi is a species of hurdiid radiodont (anomalocaridid), known from one specimen from the Lower Devonian Hunsrück Slates.Its discovery was astonishing because the latest definitive radiodonts were known only from the Early Ordovician, [1] at least 66 million years earlier than this taxon.
Many of the fossils were initially collected at the Burgess Shale in the 1980s and 1990s during excavations conducted under Desmond Collins, former Royal Ontario Museum curator of invertebrate ...
The type species is Houcaris saron which was originally described as a species of the related genus Anomalocaris. [1] Other possible species include H. magnabasis and H. consimilis . [ 2 ] [ 3 ] The genus Houcaris was established for the two species in 2021 and honors Hou Xianguang, who had discovered and named the type species Anomalocaris ...