Dentary, vertebra, pelvis, femur and tibiotarsus referred to Tonsala hildegardae
Scientific classification
Domain:
Eukaryota
Kingdom:
Animalia
Phylum:
Chordata
Class:
Aves
Order:
Suliformes
Family:
†Plotopteridae
Subfamily:
†Tonsalinae
Genus:
†Tonsala Olson, 1980
Type species
Tonsala hildegardae
Olson, 1980
Tonsala is an extinct genus of Plotopteridae, a family of flightless seabird similar in biology with penguins, but more closely related to modern cormorants. The genus is known from terrains dated from the Late Oligocene of the State of Washington[1][2] and Japan.[3]
^Olson, S. L. (1980). "A new genus of penguin-like pelecaniform bird from the Oligocene of Washington (Pelecaniformes : Plotopteridae)". Contributions in Science. 330: 51–57. doi:10.5962/p.208144. S2CID 4803730.
Tonsala is an extinct genus of Plotopteridae, a family of flightless seabird similar in biology with penguins, but more closely related to modern cormorants...
assigned to the genus, and was referred until 2021 to the related genus Tonsala. ?K. clarki is only tentatively referred to the genus. One of the specimens...
second species to be named from rocks along the eastern Pacific Ocean was Tonsala hildegardae from the late Oligocene lower part of the Pysht Formation in...
near Saikai, Japan. With the redescription of the Japanese remains of Tonsala from Japan as the new genus Stenornis, Olympidytes is the only genus of...
Olson tentatively referred that coracoid to the North American genus Tonsala, of which the coracoid was then badly known, based on similarities found...
distinctively modified scapular end. The poorly preserved scapula was similar to Tonsala. The pelvis, mostly reconstructed from impressions, shared the butterfly...
and Tonsala. The well-preserved scapula was similar to that of Tonsala. The partially preserved humerus was more elongated than that of Tonsala, and...
than with those of the larger Tonsalinae plotopterids like Copepteryx and Tonsala. It was although mostly differenced from Plotopterum by several osteological...
possibly limited to coastal waters, while the larger Tonsalinae such as Tonsala and Copepteryx had a more pelagic lifestyle. It has been suggested that...
genus †Rivavipes giganteus - type locality for species †Tonsala – type locality for genus †Tonsala hildegardae – type locality for species †Acherontemys...
existing material on the two described genera of North American plotopterids, Tonsala and Plotopterum, the validity of the genus was only assumed due to the...
from Washington by Mayr & Goedert (2021), who also revise the species Tonsala buchanani and transfer it to the genus Klallamornis. A carpometacarpus...
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