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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.
Radiodonta is an extinct order of stem-group arthropods that was successful worldwide during the Cambrian period. Radiodonts are distinguished by their distinctive frontal appendages, which are morphologically diverse and were used for a variety of functions.
Formerly referred to as "Anomalocaris" briggsi, it was placed in the new monotypic genus Echidnacaris in 2023. [1] It is only distantly related to true Anomalocaris, and is instead placed in the family Tamisiocarididae. [2] Echidnacaris is primarily known from its frontal appendages which had 13 podomeres. [1]
Lenisicaris is only known from frontal appendages, though these specimens have several distinguishing traits, most noticeably the lack of auxiliary spines. [5] The type species L. lupata has smaller, triangular endites, closely resembling those of Anomalocaris. [1]
Guanshancaris is an extinct genus of amplectobeluid radiodont known from the Cambrian Stage 4 Guanshan Biota of southern China. It is only known from a single species. G. kunmingensis which was described in 2013 as a species of Anomalocaris [1] before being placed in a new genus in 2023.
Image credits: Nicholas Sambrick Meanwhile, we asked the creator about the most fun aspects of using Google Earth, as well as the features that she and the other moderators wish the program would ...
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.
Innovatiocaris (meaning "innovation crab") is a genus of radiodont of uncertain family from the early Cambrian Chengjiang Lagerstätte of Yunnan Province, China.The genus contains two named species, I. maotianshanensis, known from a nearly complete young individual measuring up to 15.2 cm (6.0 in) and isolated frontal appendages, and I.?