Anhanguera piscator

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Anhanguera piscator
Temporal range: Early Cretaceous, 112  Ma
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Anhanguera piscator.jpg
Restored skull
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Order: Pterosauria
Suborder: Pterodactyloidea
Family: Anhangueridae
Genus: Anhanguera
Species:
A. piscator
Binomial name
Anhanguera piscator
Kellner & Tomida, 2000
Synonyms

Anhanguera piscator (meaning "fishing old devil") is a species of pterosaur known from the Early Cretaceous (Albian age, 112Ma) Santana Formation of Brazil. This pterosaur is closely related to Ornithocheirus , and belongs in the family Ornithocheiridae within its own subfamily, Anhanguerinae. [1] A. piscator has also been classified in the genus Coloborhynchus as Coloborhynchus piscator or as a synonym of Coloborhynchus robustus . [2]

Description

Restoration Coloborhynchus piscator jconway.jpg
Restoration

Anhanguera piscator was a fish-eating animal with a wingspan of about 4.5 m (15 ft). Like many other ornithocheirids, A. piscator had a rounded crests at front of its upper and lower jaws, which were filled with angled, conical but curved teeth of various sizes and orientations. Like many of its relatives, the jaws were tapered in width, but expanded into a broad, spoon-shaped rosette at the tip. It is distinguished from its relatives by subtle differences in the crest and teeth: unlike its close relatives Coloborhynchus and Ornithocheirus , the crest on the upper jaw of Anhanguera piscator did not begin at the tip of the snout, but was set farther back on the skull, and the expanded jaw tips were slender and spoon-shaped rather than robust and box-shaped as in Coloborhynchus. Like many ornithocheiroids, (most notably the pteranodonts but also in ornithocheirids such as Ludodactylus ) Anhanguera piscator had an additional crest protruding from the back of the skull. However, it was reduced to a small, blunt projection in these animals. [3]

Related Research Articles

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Anhanguera is a genus of pterodactyloid pterosaur known from the Early Cretaceous Romualdo Formation of Brazil. This pterosaur is closely related to Ornithocheirus, but belongs in the family Anhangueridae. The generic name comes from the tupi words añanga, meaning "spirit protector of the animals" + wera "bygone".

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Ornithocheiridae family of reptiles (fossil)

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Ornithocheiromorpha taxon of reptiles (fossil)

Ornithocheiromorpha is a group of pterosaurs within the suborder Pterodactyloidea. Fossil remains of this group date back from the Early to Late Cretaceous periods, around 140 to 94 million years ago. Ornithocheiromorphs were discovered worldwide, except Antarctica, though most genera were recovered in Europe, Asia and South America. They were the most diverse and successful pterosaurs during the Early Cretaceous, but throughout the Late Cretaceous they were replaced by better adapted and more advanced pterosaur species such the pteranodontids and azhdarchoids. The most diverse families of the group, the Ornithocheiridae and Anhangueridae, survived until the early Late Cretaceous with Ferrodraco, Ornithocheirus, Cimoliopterus, Lonchodectes and Lonchodraco being some of the last remaining. The Ornithocheiromorpha was defined in 2014 by Andres and colleagues, and they made Ornithocheiromorpha the most inclusive clade containing Ornithocheirus, but not Pteranodon.

References

  1. Campos, D. de A., and Kellner, A. W. (1985). "Un novo exemplar de Anhanguera blittersdorffi (Reptilia, Pterosauria) da formaçao Santana, Cretaceo Inferior do Nordeste do Brasil." In Congresso Brasileiro de Paleontologia, Rio de Janeiro, Resumos, p. 13.
  2. Martin-Silverstone, E., Sykes, D., Naish, D. (2018). "Does Postcranial Palaeoneurology Provide Insight into Pterosaur Behavior and Lifestyle? New Data from the Azhdarchoid Vectidraco and the Ornithocheirids Coloborhynchus and Anhanguera". Palaeontology. doi : 10.1111/pala.12390
  3. Kellner, A.W.A. and Tomida, Y. (2000). "Description of a new species of Anhangueridae (Pterodactyloidea) with comments on the pterosaurfauna from the Santana Formation (Aptian–Albian), northeastern Brazil." Tokyo, National Science Museum (National Science Museum Monographs, 17).