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RE: Allodaposuchus hulki, new species from Spain + crocodyliform tooth from Hungary (free pdfs)



"hulki, from the character of Marvel, Hulk; due to the strong muscle 
attachments of the bones."

I think banneri would have been a much more clever name for this purpose.

Mickey Mortimer

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> Date: Thu, 13 Aug 2015 17:45:56 +0000
> From: ron.orenstein@rogers.com
> To: bcreisler@gmail.com; dinosaur@usc.edu
> Subject: Re: Allodaposuchus hulki, new species from Spain + crocodyliform 
> tooth from Hungary (free pdfs)
>
> Please tell me that this isn't named after whom I think it is (in which case 
> shouldn't the specific epithet be banneri?)!
>  Ronald Orenstein
> 1825 Shady Creek Court
> Mississauga, ON L5L 3W2
> Canada
> ronorenstein.blogspot.com
> ronorensteinwriter.blogspot.com
> From: Ben Creisler <bcreisler@gmail.com>
> To: dinosaur@usc.edu
> Sent: Thursday, August 13, 2015 11:51 AM
> Subject: Re: Allodaposuchus hulki, new species from Spain + crocodyliform 
> tooth from Hungary (free pdfs)
>
> Ben Creisler
> bcreisler@gmail.com
>
>
> My apologies for a copy and paste error that accidentally left off the
> full list of authors on the first paper. I didn't catch it before I
> hit send. Here is the intended full citation.
>
>
> Alejandro Blanco, Josep Fortuny, Alba Vicente, Àngel H. Luján, Jordi
> Alexis García-Marçà & Albert G. Sellés (2015)
> A new species of Allodaposuchus (Eusuchia, Crocodylia) from the
> Maastrichtian (Late Cretaceous) of Spain: phylogenetic and
> paleobiological implications.
> PeerJ 3:e1171
> doi: https://dx.doi.org/10.7717/peerj.1171
> https://peerj.com/articles/1171/
>
>
>
> On Thu, Aug 13, 2015 at 8:11 AM, Ben Creisler <bcreisler@gmail.com> wrote:
>> Ben Creisler
>> bcreisler@gmail.com
>>
>>
>> Two new papers in open access PeerJ:
>>
>>
>> Albert G. Sellés (2015)
>> A new species of Allodaposuchus (Eusuchia, Crocodylia) from the
>> Maastrichtian (Late Cretaceous) of Spain: phylogenetic and
>> paleobiological implications.
>> PeerJ 3:e1171
>> doi: https://dx.doi.org/10.7717/peerj.1171
>> https://peerj.com/articles/1171/
>>
>> Background. The Late Cretaceous is a keystone period to understand the
>> origin and early radiation of Crocodylia, the group containing all
>> extant lineages of crocodilians. Among the taxa described from the
>> latest Cretaceous of Europe, the genus Allodaposuchus is one of the
>> most common but also one of the most controversial. However, because
>> of its fragmentary record, several issues regarding its phylogenetic
>> emplacement and its ecology remain unsolved or unknown. The discovery
>> of a single specimen attributed to Allodaposuchus, represented by both
>> cranial and postcranial remains, from the Casa Fabà site (Tremp Basin,
>> NE Spain) in the lower red unit of the Tremp Fm. (early Maastrichtian,
>> Late Cretaceous) offers a unique opportunity to deepen in the
>> phylogenetic relationships of the group and its ecological features.
>>
>> Methods. The specimen is described in detail, and CT scan of the skull
>> is performed in order to study the endocranial morphology as well as
>> paratympanic sinuses configuration. In addition, myological and
>> phylogenetic analyses are also carried out on the specimen for to shed
>> light in ecological and phylogenetic issues, respectively.
>>
>> Results. The specimen described herein represents a new species,
>> Allodaposuchus hulki sp. nov., closely related to the Romanian A.
>> precedens. The CT scan of the skull revealed an unexpected
>> paratympanic sinuses configuration. Allosaposuchus hulki exhibits an
>> “anterodorsal tympanic sinus” not observed in any other extant or
>> extinct crocodilian. The caudal tympanic recesses are extremely
>> enlarged, and the expanded quadratic sinus seems to be connected to
>> the middle-ear channel. Phylogenetic analyses confirm the emplacement
>> of the informal taxonomic group ‘Allodaposuchia’ at the base of
>> Crocodylia, being considered the sister group of Borealosuchus and
>> Planocraniidae.
>>
>> Discussion. Although this is a preliminary hypothesis, the unique
>> paratympanic configuration displayed by A. hulki suggests that it
>> could possess a high-specialized auditory system. Further, the large
>> cranial cavities could help to reduce the weight of the cranium.
>> Concerning the postcranial skeleton, Allodaposuchus hulki shows
>> massive and robust vertebrae and forelimb bones, suggesting it could
>> have a bulky body. The myological study performed on the anterior limb
>> elements supports this interpretation. In addition, several bone and
>> muscular features seem to point at a semi-erected position of the
>> forelimbs during terrestrial locomotion. Taking all the above results
>> into consideration, it seems plausible to suggest that A. hulki could
>> conduct large incursions out of the water and have a semi-terrestrial
>> lifestyle.
>>
>> ==
>>
>> Attila Ősi, Márton Rabi & László Makádi (2015)
>> An enigmatic crocodyliform tooth from the bauxites of western Hungary
>> suggests hidden mesoeucrocodylian diversity in the Early Cretaceous
>> European archipelago.
>> PeerJ 3:e1160
>> doi: https://dx.doi.org/10.7717/peerj.1160
>> https://peerj.com/articles/1160/
>>
>>
>> Background. The Cretaceous of southern Europe was characterized by an
>> archipelago setting with faunas of mixed composition of endemic,
>> Laurasian and Gondwanan elements. However, little is known about the
>> relative timing of these faunal influences. The Lower Cretaceous of
>> East-Central Europe holds a great promise for understanding the
>> biogeographic history of Cretaceous European biotas because of the
>> former proximity of the area to Gondwana (as part of the Apulian
>> microcontinent). However, East-Central European vertebrates are
>> typically poorly known from this time period. Here, we report on a
>> ziphodont crocodyliform tooth discovered in the Lower Cretaceous
>> (Albian) Alsópere Bauxite Formation of Olaszfalu, western Hungary.
>>
>> Methods. The morphology of the tooth is described and compared with
>> that of other similar Cretaceous crocodyliforms.
>>
>> Results. Based on the triangular, slightly distally curved,
>> constricted and labiolingually flattened crown, the small,
>> subequal-sized true serrations on the carinae mesially and distally,
>> the longitudinal fluting labially, and the extended shelves along the
>> carinae lingually the tooth is most similar to some peirosaurid,
>> non-baurusuchian sebecosuchian, and uruguaysuchid notosuchians. In
>> addition, the paralligatorid Wannchampsus also possesses similar
>> anterior teeth, thus the Hungarian tooth is referred here to
>> Mesoeucrocodylia indet.
>>
>> Discussion. Supposing a notosuchian affinity, this tooth is the
>> earliest occurrence of the group in Europe and one of the earliest in
>> Laurasia. In case of a paralligatorid relationship the Hungarian tooth
>> would represent their first European record, further expanding their
>> cosmopolitan distribution. In any case, the ziphodont tooth from the
>> Albian bauxite deposit of western Hungary belongs to a group still
>> unknown from the Early Cretaceous European archipelago and therefore
>> implies a hidden diversity of crocodyliforms in the area.
>
>
>