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Hesperornithoides miessleri
Taxonomy
Hesperornithoides miessleri was named by Hartman et al. (2019). Its type specimen is WYDICE-DML-001, a skeleton (A single, partially articulated skeleton consisting of most of an articulated skull and mandibles missing the anteriormost portions, hyoids, five cervical verte), and it is a 3D body fossil. Its type locality is Jimbo Quarry (2B) (PROXY), which is in a Kimmeridgian/Tithonian lacustrine mudstone in the Morrison Formation of Wyoming. It is the type species of Hesperornithoides.
Synonymy list
| Year | Name and author |
|---|---|
| 2019 | Hesperornithoides miessleri Hartman et al. |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Hesperornithoides miessleri Hartman et al. 2019
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. Hartman et al. 2019 | A paravian with the following derived characters: pneumatic jugal (also in Zanabazar and some eudromaeosaurs among maniraptorans); short posterior lacrimal process (<15% of ventral process length, measured from internal corner; also present in Zanabazar, Archaeopteryx, and Epidexipteryx); quadrate forms part of lateral margin of paraquadrate foramen; small external mandibular fenestra (<12% of mandibular length; also in Zhenyuanlong and Dromaeosaurus among non-avian paravians); humeral entepicondyle >15% of distal humeral width (also in some avialans); manual ungual III subequal in size to ungual II (also in Daliansaurus, IGM 100/44 and Mahakala); mediodistal corner of tibia exposed anteriorly (also in Archaeopteryx and Jeholornis). Locality and Geologic Context: In the summer of 2001, members of the Tate Geological |