Trinacromerum was 3 meters (9.8 feet) long.
Its teeth show that it fed on small fish.

The long flippers of Trinacromerum enabled it to achieve high swimming speeds.
Its physical appearance was described by Richard Ellis as akin to a "four-flippered penguin."
Its name means "three tipped femur".
Trinacromerum was 3 meters (9.8 feet) long. Its teeth show that it fed on small fish.
The long flippers of Trinacromerum enabled it to achieve high swimming speeds. Its physical appearance was described by Richard Ellis as akin to a "four-flippered penguin." Its name means "three tipped femur".
Trinacromerum