- Tytuł:
- A new plesiosauroid from the Toarcian (Lower Jurassic) of Alhadas, Portugal
- Autorzy:
-
Smith, A.S.
Araujo, R.
Mateus, O. - Powiązania:
- https://bibliotekanauki.pl/articles/22142.pdf
- Data publikacji:
- 2012
- Wydawca:
- Polska Akademia Nauk. Instytut Paleobiologii PAN
- Tematy:
-
new plesiosauroid
plesiosauroid
Toarcian
Lower Jurassic
Jurassic
paleontology
Alhadas
Portugal
Elasmosauridae
Plesiosauridae
Plesiosauria
Lusonectes sauvagei
plesiosaur
Lusitanian basin - Opis:
- A partial plesiosauroid skull from the São Gião Formation (Toarcian, Lower Jurassic) of Alhadas, Portugal is re−evaluated and described as a new taxon, Lusonectes sauvagei gen. et sp. nov. It has a single autapomorphy, a broad triangular parasphenoid cultriform process that is as long as the posterior interpterygoid vacuities, and also a unique character combination, including a jugal that contacts the orbital margin, a distinct parasphenoid–basisphenoid suture exposed between the posterior interpterygoid vacuities, lack of an anterior interpterygoid vacuity, and striations on the ventral surface of the pterygoids. Phylogenetic analysis of Jurassic plesiosauroids places Lusonectes as outgroup to “microcleidid elasmosaurs”, equivalent to the clade Plesiosauridae. Lusonectes sauvagei is the only diagnostic plesiosaur from Portugal, and the westernmost occurrence of any plesiosaurian in Europe.
- Źródło:
-
Acta Palaeontologica Polonica; 2012, 57, 2
0567-7920 - Pojawia się w:
- Acta Palaeontologica Polonica
- Dostawca treści:
- Biblioteka Nauki
Artykuł