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Re: New elasmosaurid from Angola (Cardiocorax) (free pdf) + turtle from Japan + more
The new elasmosaur is named Cardiocorax mukulu ("heart-shaped coracoid
The pdf is available free here:
On Thu, Jan 22, 2015 at 3:48 PM, Ben Creisler <email@example.com> wrote:
> Ben Creisler
> Some recent non-dino papers:
> I have not been able to download this article yet, so I don't now if
> the new taxon is officially named. A quick check on the web (including
> Zoobank) does not seem to turn up a new name.
> R. Araújo, M.J. Polcyn, A.S. Schulp, O. Mateus, L.L. Jacobs, A.
> Olímpio Gonçalves and M.-L. Morais (2015)
> A new elasmosaurid from the early Maastrichtian of Angola and the
> implications of girdle morphology on swimming style in plesiosaurs.
> Netherlands Journal of Geosciences (advance online publication)
> DOI: http://dx.doi.org/10.1017/njg.2014.44
> We report here a new elasmosaurid from the early Maastrichtian at
> Bentiaba, southern Angola. Phylogenetic analysis places the new taxon
> as the sister taxon to Styxosaurus snowii, and that clade as the
> sister of a clade composed of (Hydrotherosaurus alexandrae (Libonectes
> morgani + Elasmosaurus platyurus)). The new taxon has a reduced dorsal
> blade of the scapula, a feature unique amongst elasmosaurids, but
> convergent with cryptoclidid plesiosaurs, and indicates a longitudinal
> protraction-retraction limb cycle rowing style with simple pitch
> rotation at the glenohumeral articulation. Morphometric phylogenetic
> analysis of the coracoids of 40 eosauropterygian taxa suggests that
> there was a broad range of swimming styles within the clade.
> Teppei Sonoda, Ren Hirayama, Yoshihiko Okazaki and Hisao Ando (2015)
> A New Species of the Genus Adocus (Adocidae, Testudines) from the
> Lower Cretaceous of Southwest Japan.
> Paleontological Research 19(1): 26-32
> doi: http://dx.doi.org/10.2517/2014PR026
> Adocus sengokuensis sp. nov. is described on the basis of
> disarticulated shell elements (nuchal, first peripherals, left fourth
> peripheral, left second costal, left hyoplastron, and right
> hypoplastron) collected from a lacustrine mudstone of the Lower
> Cretaceous Sengoku Formation, Kanmon Group in Miyawaka City, Fukuoka
> Prefecture, Japan. A. sengokuensis is characterized by its small size
> with a carapace estimated at only 29 cm long, a trapezoidal cervical
> scale greater in width than length, and a narrow lateral projection of
> the first pleural scale of the fourth peripheral. Small size and wide
> cervical scale suggest that this new species is the most basal taxon
> of the genus Adocus.
> Press item (in Japanese):
> Jérémy Anquetin & Andrew R. Milner (2015)
> A cautionary tail: Cyrtura temnospondyla Jaekel, 1904, an enigmatic
> vertebrate specimen from the Late Jurassic Solnhofen Limestone.
> Comptes Rendus Palevol (advance online publication)
> The enigmatic vertebrate taxon Cyrtura temnospondyla is reassessed
> following the location and reuniting of both counterparts. The
> specimen, comprising a series of caudal vertebrae from the Tithonian
> Solnhofen Limestone, has variously been interpreted as derived either
> from a temnospondyl amphibian, or a turtle, or to be indeterminate.
> The redescription of this caudal series reveals that the vertebrae
> have a single centrum, in contrast to previous descriptions. This
> specimen is here interpreted to be the tail of a turtle more derived
> than Proganochelys and Meiolania, but is otherwise indeterminate and
> cannot be associated with any of the diagnosed taxa from the Solnhofen
> Limestone. C. temnospondyla lacks any diagnostic character and must
> therefore be considered a nomen dubium.