[D] Hesperornis mengeli [~/~]
Describer
Martin & Lim, 2002
Time
Cretaceous Late Campanian
Classification
Saurischia Theropoda Tetanurae Coelurosauria Maniraptora Avialae Ornithothoraces Ornithurae [Hesperonithiformes]
Fossilsite
Pierre Shale, South Dakota, US
Info
Hesperornis mengeli (right tarsometatarus) \\\"Smaller than Hesperornis bairdi\\\" with a very slender tarsomet., also very small trochela for digit 3 and \\\"distal end more compressed with the trochlea for digit 2 completely behind digit 3.\\\" This thing is \\\"about the size of a loon\\\" Authors state that while H. mengeli was small, it was an advanced diver, showing that, while some Hespies were small and primitive (few diving adaptations), others were small and advanced.
Martin & Lim, 2002
Time
Cretaceous Late Campanian
Classification
Saurischia Theropoda Tetanurae Coelurosauria Maniraptora Avialae Ornithothoraces Ornithurae [Hesperonithiformes]
Fossilsite
Pierre Shale, South Dakota, US
Info
Hesperornis mengeli (right tarsometatarus) \\\"Smaller than Hesperornis bairdi\\\" with a very slender tarsomet., also very small trochela for digit 3 and \\\"distal end more compressed with the trochlea for digit 2 completely behind digit 3.\\\" This thing is \\\"about the size of a loon\\\" Authors state that while H. mengeli was small, it was an advanced diver, showing that, while some Hespies were small and primitive (few diving adaptations), others were small and advanced.