Re: [dinosaur] Psittacosaurus amitabha, new species from Cretaceous Ondai Sayr Locality, Mongolia (free pdf)

The free open access pdf version is now available at this link:

https://urldefense.proofpoint.com/v2/url?u=http-3A__digitallibrary.amnh.org_handle_2246_6953&d=DwIBaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=4AjaZ-K7yt3RdwTzBM-Kzw6kvXUCcUwJNctCXUdgly0&s=zcrLmIP2cmqGPUScvWIEg8QZL3-mD3HTJZEkdsRO0RM&e= 

On Thu, Jul 25, 2019 at 5:09 PM Ben Creisler <[email protected]> wrote:

>
> Ben Creisler
> [email protected]
>
> A new paper:
>
> Psittacosaurus amitabha sp. nov.
>
> James G. Napoli, Tyler Hunt, Gregory M. Erickson & Mark A. Norell (2019)
> Psittacosaurus amitabha, a New Species of Ceratopsian Dinosaur from the
> Ondai Sayr Locality, Central Mongolia.
> American Museum Novitates 3932 :1-36
> doi: https://urldefense.proofpoint.com/v2/url?u=https-3A__doi.org_10.1206_3932.1&d=DwIBaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=4AjaZ-K7yt3RdwTzBM-Kzw6kvXUCcUwJNctCXUdgly0&s=7kuihU4uBETWesmn8Xx1TJ22xDjSgF-9HNLm6s8z4Aw&e= 
>
> https://urldefense.proofpoint.com/v2/url?u=https-3A__bioone.org_journals_american-2Dmuseum-2Dnovitates_volume-2D2019_issue-2D3932&d=DwIBaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=4AjaZ-K7yt3RdwTzBM-Kzw6kvXUCcUwJNctCXUdgly0&s=WevWzwGt9lokVXr5i-twrcqxGWbBs_aGKeZwNoglM2c&e= 
>
> NOTE: This paper should be posted in open access on the AMNH website soon.
>
> https://urldefense.proofpoint.com/v2/url?u=http-3A__digitallibrary.amnh.org_handle_2246_9&d=DwIBaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=4AjaZ-K7yt3RdwTzBM-Kzw6kvXUCcUwJNctCXUdgly0&s=f-P2_agD3ytNMrGzKJ9RrTw7hX9GF1GyGrq5-gcUZug&e= 
>
> Psittacosaurus is the most speciose nonavian dinosaur genus, represented
> by at least 10 (and possibly as many as 19) species uncovered over a wide
> geographic range. Here, we report a new species of large-bodied
> Psittacosaurus from the Ondai Sayr locality in central Mongolia, which has
> hitherto produced only one other Psittacosaurus specimen. This new species
> is characterized by: (1) an elongate snout, with a gently inclined
> rostronasal margin, (2) a cranium dorsally convex rather than flat, (3) a
> subtemporal length less than 40% of total skull length, (4) a maxillary
> lamina that cups the posterior toothrow, (5) five premaxillary foramina
> arrayed in an arc, (6) an antorbital fossa as long as it is wide, and (7) a
> palpebral with a well-developed posterior tonguelike process.
> Psittacosaurus amitabha is resolved as the most basal member of the genus
> Psittacosaurus in our phylogenetic analysis. This taxon expands our
> knowledge of the already-speciose genus Psittacosaurus as well as our
> understanding of the Ondai Sayr fauna, which is poorly known in comparison
> to other Mongolian Early Cretaceous localities.
>
> ===
>
> Although the paper itself is not yet posted on the AMNH, the supplemental
> material is:
>
> Supplemental Material for 'Psittacosaurus amitabha, a new species of
> ceratopsian dinosaur from the Ondai Sayr locality, central Mongolia.
> (American Museum Novitates, no. 3932)
> Napoli, James G.; Hunt, Tyler; Erickson, Gregory M.; Norell, Mark A.
>
> https://urldefense.proofpoint.com/v2/url?u=http-3A__digitallibrary.amnh.org_handle_2246_6954&d=DwIBaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=4AjaZ-K7yt3RdwTzBM-Kzw6kvXUCcUwJNctCXUdgly0&s=cYQfouercFDVaqJMrrxrZlHu0mQA0WTM241T1ExXp2A&e= 
>
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