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Description
Skeletal and life reconstruction of Allosaurus jimmadseni’s head, based on the specimen MOR 693 aka 'Big Al'.
Finally officially named, after 20 years spent as a nomen nudum, in 2020: Chure, D.J. and Loewen, M.A. 2020. Cranial anatomy of Allosaurus jimmadseni, a new species from the lower part of the Morrison Formation (Upper Jurassic) of Western North America. PeerJ 8: e7803.
Note how said description does partially outdate the above reconstruction; notably the presumed unusual ventral lacrimal-maxillary contact, present in older versions of the cranial osteology of Allosaurus, appears to be a misinterpretation.
Finally officially named, after 20 years spent as a nomen nudum, in 2020: Chure, D.J. and Loewen, M.A. 2020. Cranial anatomy of Allosaurus jimmadseni, a new species from the lower part of the Morrison Formation (Upper Jurassic) of Western North America. PeerJ 8: e7803.
Note how said description does partially outdate the above reconstruction; notably the presumed unusual ventral lacrimal-maxillary contact, present in older versions of the cranial osteology of Allosaurus, appears to be a misinterpretation.
Image size
4605x6630px 8.8 MB
Make
Canon
Model
MP190 series
Comments12
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Sehr schön gemacht ! ! 