Name: Ovatiovermis ‭(‬Clap worm‭)‬.
Phonetic: O-vat-e-o-ver-mis.
Named By: Jean-Bernard Caron‭ & ‬CÚdric Aria‭ ‬-‭ ‬2017.
Classification: Animalia,‭ ‬Panarthropoda,‭ ‬Luolishaniidae.
Species: O.‭ ‬cribratus‭.(‬type‭).
Diet: Filter feeder.
Size: Unavailable.
Known locations: Canada‭ ‬-‭ ‬Burgess shale.
Time period: Cambrian.
Fossil representation: At least two individuals.

       Ovatiovermis is loosely termed a naked lobopodian,‭ ‬this is because the body of this creature was soft and not covered in armoured plates.‭ ‬Lobopodians like Ovatiovermis are so called because their limbs,‭ ‬called lobopods,‭ ‬are fleshy tube like appendages.‭ ‬Ovatiovermis had nine pairs of these lobopods,‭ ‬arranged into three distinct groups.‭
       The first two pairs of lobopods situated closest to the head,‭ ‬were long and covered in roughly twenty pairs of spines along their lengths,‭ ‬with bifid claws at the tips.‭ ‬The next four pairs of lobopods after these were similar,‭ ‬but overall shorter and with spines that were smaller except for those growing towards the tips which were larger.‭ ‬The last three pairs of lobopods were much shorter and thicker than the others,‭ ‬no spines,‭ ‬just claws at the ends.‭ ‬It is thought that these bottom three pairs of lobopods‭ ‬were for gripping hold of an anchor point such as the head of a coral,‭ ‬and then waiving the upper lobopods with spines through the water in order to trap small morsels of organic matter,‭ ‬or creatures floating in the water.
       There is no clear distinction between the head and the body,‭ ‬but the mouth of Ovatiovermis is situated on the end of a proboscis.‭ ‬As food was caught within the spines,‭ ‬the lobopods could be brought before the mouth which then sucked the food up.‭ ‬The larger claws at the end of the lobopods were likely more for climbing up sponges and corals.‭ ‬Ovatiovermis also had two small nodules on top of the head which may have been primitive eyes.

Further reading
-‭ ‬Cambrian suspension-feeding lobopodians and the early radiation of panarthropods.‭ ‬-‭ ‬BMC Evolutionary Biology.‭ ‬17.‭ ‬-‭ ‬Jean-Bernard Caron‭ & ‬CÚdric Aria‭ ‬-‭ ‬2017.


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