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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.
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]
About 6,000 to 10,000 people 65 and older die from RSV in the U.S. annually, the CDC says.
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 ...
Senior woman with RSV blowing her nose. Respiratory syncytial virus, more commonly referred to as RSV, affects most people before they’re two years old.However, if you are older than 65 or a ...
In the laboratory, adenovirus can be identified with antigen detection, polymerase chain reaction (PCR), virus isolation and serology. Even if adenovirus is found to be present, it may not be the cause of any symptoms. Some immunocompromised individuals can shed the virus for weeks and show no symptoms. [39]
Flu A and flu B are the most common strains of the flu that circulate in humans. The U.S. is currently in the middle of flu season, with a high number of cases reported across the country.