#desmostylians

[a-dinosaur-a-day]

best secondarily marine/aquatic tetrapods go

Sea Turtles (including Archelon)

Ichthyosaurs

Sauropterygians (plesiosaurs, pliosaurs, and tons of triassic weirdos)

Mosasaurs

The many forms of marine crocodiles

Penguins so we have a token dinosaur option

Cetaceans

Desmostylians

Sirenians

Pinnipeds

Voting ended onJun 19, 2023

obviously I can't include everything. Rip to the various groups I was forced to leave out, including Mesosaurs, my beloveds.

[eartharchives]

Oddball hippo-sized marine mammal had a toothy vacuum mouth

The identification of a new species belonging to the marine mammal group Desmostylia has intensified the rare animal's brief mysterious journey through prehistoric time, finds a new study.

Instead of chewing their meal, they likely clenched their teeth, rooted up plants and sucked them in.