👉 The term "acanthomeridae" is a genus of extinct birds that lived during the Paleocene and Eocene periods. These birds were small to medium-sized flightless birds, with wingspan ranging from 16 to 20 centimeters (about 6.4 to 9 inches). They had a long neck and a short tail.
The exact number of species in this genus is not well established, but it is believed that there may have been over 50-
acanthomeridae