anomalocaridid

plural anomalocaridids

1. biologyAny of a group of large marine animals of the family †Anomalocarididae, known only from fossils.

   The second youngest anomalocaridid yet discovered is a bizarre giant from the deeper Ordovician waters of Fezouata in Morocco, called Aegirocassis.

   2022, Thomas Halliday, Otherlands, Penguin, published 2023, page 230

   1 more example

   In 2009, the amazing description of a single specimen of Schinderhannes bartelsi appeared to extend the history of arthropod-like anomalocaridids by a whopping 100 million years, although the true affinity of Schinderhannes is still contested so it may be an Elvis or Lazarus taxon.

   2017 May 3, Mark Carnall, The Guardian