Re: [dinosaur] Lapparentophis ragei, new Cretaceous snake species + Miocene skinks + more

This paper now has a free pdf:

Romain Vullo (2019)
A new species of Lapparentophis from the mid-Cretaceous Kem Kem beds,
Morocco, with remarks on the distribution of lapparentophiid snakes.
Comptes Rendus Palevol (advance online publication)
doi: https://urldefense.proofpoint.com/v2/url?u=https-3A__doi.org_10.1016_j.crpv.2019.08.004&d=DwIFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=E3xylYtljzY0a3mO_T-TaRemvQfTR8nzq-Qp68-h290&s=NpOWqWmL-s_XAXEZkOL-5h-iUmDEsZ3__2-b8ofV5EM&e= 
https://urldefense.proofpoint.com/v2/url?u=https-3A__www.sciencedirect.com_science_article_abs_pii_S163106831930154X&d=DwIFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=E3xylYtljzY0a3mO_T-TaRemvQfTR8nzq-Qp68-h290&s=En9WOK2RLNI8576f2CU6V6R8XIyQWrGodSOJ1avYzas&e= 


On Fri, Oct 11, 2019 at 12:53 PM Ben Creisler <[email protected]> wrote:

> Ben Creisler
> [email protected]
>
> Some recent non-dino papers:
>
> Lapparentophis ragei sp. nov.
>
> Romain Vullo (2019)
> A new species of Lapparentophis from the mid-Cretaceous Kem Kem beds,
> Morocco, with remarks on the distribution of lapparentophiid snakes.
> Comptes Rendus Palevol (advance online publication)
> doi: https://urldefense.proofpoint.com/v2/url?u=https-3A__doi.org_10.1016_j.crpv.2019.08.004&d=DwIFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=E3xylYtljzY0a3mO_T-TaRemvQfTR8nzq-Qp68-h290&s=NpOWqWmL-s_XAXEZkOL-5h-iUmDEsZ3__2-b8ofV5EM&e= 
> https://urldefense.proofpoint.com/v2/url?u=https-3A__www.sciencedirect.com_science_article_abs_pii_S163106831930154X&d=DwIFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=E3xylYtljzY0a3mO_T-TaRemvQfTR8nzq-Qp68-h290&s=En9WOK2RLNI8576f2CU6V6R8XIyQWrGodSOJ1avYzas&e= 
>
>
> Two isolated trunk vertebrae from the ?uppermost Albian–lower Cenomanian
> Kem Kem beds of Morocco are described and assigned to Lapparentophis, an
> early snake genus known from coeval deposits in Algeria. The Moroccan
> specimens represent a new species, Lapparentophis ragei, which can be
> distinguished from the type and only known species, Lapparentophis
> defrennei, by its smaller size, its more elongate vertebrae, the presence
> of parazygosphenal foramina, and paradiapophyses extending anteroventrally
> closer to the cotyle. The discovery of Lapparentophis in the Kem Kem beds
> adds to the relatively diverse snake assemblage previously reported from
> this formation and extends the geographical range of the genus. The
> distribution of Lapparentophis and lapparentophiid-grade (?lapparentophiid)
> snakes is discussed. This poorly known family of terrestrial snakes seems
> to be restricted to the latest Albian–early Cenomanian of North Africa,
> with the exception of Pouitella from the early–middle Cenomanian of France.
> As for many other vertebrate taxa of this period, this distribution is
> consistent with a dispersal event from Africa to the western part of the
> European archipelago.
> ==
>
> Andrej Čerňanský,  Elena V. Syromyatnikova,  Ekaterina S. Kovalenko,
> Konstantin M. Podurets  & Alexander A. Kaloyan (2019)
> The key to understanding the European Miocene Chalcides (Squamata,
> Scincidae) comes from Asia: the lizards of the East Siberian Tagay locality
> (Baikal Lake) in Russia.
> The Anatomical Record (advance online publication)
> doi:  https://urldefense.proofpoint.com/v2/url?u=https-3A__doi.org_10.1002_ar.24289&d=DwIFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=E3xylYtljzY0a3mO_T-TaRemvQfTR8nzq-Qp68-h290&s=iCv8xD4QVqo_q_iavKDsZ6zkmtGwviNtdXrcEI3xjcY&e= 
> https://urldefense.proofpoint.com/v2/url?u=https-3A__anatomypubs.onlinelibrary.wiley.com_doi_10.1002_ar.24289&d=DwIFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=E3xylYtljzY0a3mO_T-TaRemvQfTR8nzq-Qp68-h290&s=GixPPGP_R9TT-A_uEOkgzrjnGi5kG1M5OYyiD1rvh7o&e= 
>
>
> The early middle Miocene (MN 5) lizards from the East Siberian Tagay
> locality (Baikal Lake, Russia) in Asia are described here. The lizard fauna
> consists of two clades, Lacertidae and Scincidae. The skink material is
> allocated to Chalcides.While this taxon was previously reported from
> Europe, it has rarely been observed in the Neogene record with only jaw
> fragments and frontal bones described. Its taxonomy was therefore
> enigmatic. The Tagay material is almost identical to the European fossils
> of Chalcides from Austria and Hungary, but it also contains the parietal
> bone. While the material is also similar to the extant Ch. ocellatus, it
> exhibits several morphological differences. A new species is therefore
> erected ‐ Chalcides augei sp. nov. These findings further support the
> connection of the Baikal Lake area with central Europe during the first
> half of the Miocene. The comparative anatomy of the frontals, parietals and
> lower jaws was evaluated by micro‐CT in selected skink taxa. This
> comparison highlights several important differences, e.g., paired frontals
> are present in Broadleysaurus (an outgroup taxon), in Acontias and all
> studied members of Scincidae herein. The character optimization in Mesquite
> supports fused frontals as being the condition at the basal node of the
> Ateuchosauridae + Sphenomorphidae + Eugongylidae+ Lygosomidae + Egerniidae
> + Mabuyidae clade. While the parapineal foramen is restricted to the
> parietal in most taxa studied herein, it is absent (or vestigial) in
> Acontias and Feylinia. In contrast to all other skinks, this foramen is
> located on the frontal in Ateuchosaurus chinensis.
>
> ==
>
>
> Lida Xing, Donghao Wang, Gang Li, Ryan C. McKellar, Ming Bai, Huarong Chen
> & Susan E. Evans (2019)
> Possible egg masses from amphibians, gastropods, and insects in
> mid-Cretaceous Burmese amber.
> Historical Biology (advance online publication)
> doi: https://urldefense.proofpoint.com/v2/url?u=https-3A__doi.org_10.1080_08912963.2019.1677642&d=DwIFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=E3xylYtljzY0a3mO_T-TaRemvQfTR8nzq-Qp68-h290&s=HoyRmUcUQed5rpqSi0sNNEhUfTAK9jIrhlqxtOQikKs&e= 
> https://urldefense.proofpoint.com/v2/url?u=https-3A__www.tandfonline.com_doi_full_10.1080_08912963.2019.1677642&d=DwIFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=E3xylYtljzY0a3mO_T-TaRemvQfTR8nzq-Qp68-h290&s=wPapx91-IClQGSvfWu-o4MPgMHSNeB_k9Bp5LVVLpgY&e= 
>
>
> The eggs of fish, amphibians, and many invertebrates are soft, delicate
> structures that are only rarely preserved in the fossil record. Here we
> report egg masses preserved as inclusions in mid-Cretaceous amber deposits
> of Myanmar. Of five specimens recovered, three of the egg masses probably
> pertain to insects, but the other two appear different. One mass is
> composed of relatively stiff eggs that retain their shape throughout the
> mass and may be linked by mucoid strands. This morphology resembles that of
> some terrestrial molluscs. The second mass is composed of softer eggs that
> have compressed one another so that their shapes are strongly distorted
> within the mass. These eggs most closely resemble those of amphibians.
> Given the forest environment reconstructed for the amber locality, the eggs
> were presumably attached on or close to the resin producing tree.
>
>
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