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new ref: Heptasteornis ... the first alvarezsaurid from Europe



Naish, D. & Dyke, G.J. 2004. Heptasteornis was no ornithominid, troodontid, 
dromaeosaurid or owl: the first alvarezsaurid (Dinosauria: Theropoda) from 
Europe. Neues Jahrbuch für Geologie und Paläontologie, Monatshefte, 2004(7), 
385-401.

Note that this article was entitled "The identity of the enigmatic Late 
Cretaceous Romanian taxa Heptasteornis andrewsi and Elopteryx nopscai" in 
Darren´s website: http://web.port.ac.uk/departments/sees/staff/NaishD.htm

Following the authors:

- the holotype of Heptasteornis andrewsi (distal tibiotarsus BMNH A4359) is 
interpreted as an Alvarezsauridae (Mononykinae?), but is regarded as a nomen 
dubium,

- the holotype of Bradycneme draculae (distal tibiotarsus BMNH A1588) is 
regarded as a Maniraptora indet., and

- the holotype of Elopteyx nopscai (proximal femur BMNH A1234) is interpreted 
as either a trodontid or a non-ornithuromorphan pygostilian and not a 
dromaeosaurid.

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Jose Ignacio Ruiz-Omeñaca
Departamento de Ciencias de la Tierra
Area de Paleontologia
Universidad de Zaragoza
E-50009 ZARAGOZA, SPAIN

tel: (+34) 976 761000 ext. 3160
fax: (+34) 976 761106
e-mail: jigruiz@unizar.es
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