Aigialosaurus

Ay-gee-al-oh-sore-us.
Updated on

Benjamin Gutierrez

Vertebrate Paleontologist

Benjamin Gutierrez is a leading expert on dinosaurs, particularly the mighty theropods. His fieldwork in South America has uncovered new species and provided insights into dinosaur social structures.

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Name

Aigialosaurus.

Phonetic

Ay-gee-al-oh-sore-us.

Named By

Classification

Chordata,‭ ‬Reptilia,‭ ‬Squamata,‭ ‬Varanoidea,‭ ‬Aigialosauridae.

Diet

Carnivore.

Species

A.‭ ‬dalmaticus‭ (‬type‭)‬,‭ ‬A.‭ ‬bucchichi,‭ ‬A.‭ ‬novaki‭ ‬

Size

Around‭ ‬1.1‭ ‬meters long.

Known locations

Croatia.

Time Period

Cenomanian of the Cretaceous.

Fossil representation

Several specimens.

Aigialosaurus: Research Database

Reptilia (Squamata: Mosasauria) · Late Cretaceous · Europe

 

Research Note: Aigialosaurus was a mosasaur from the Late Cretaceous — significant for understanding mosasaur diversity and evolution during the Cretaceous period.

 

Research FindingStatusGradeYearMethodCitationImpact
Bastiaans & Kroll 2020: Aigialosaurus and mosasaur diversity in the Cretaceous
Cretaceous Research
ConfirmedA2020FossilBastiaans & Kroll, Cretaceous ResearchDiversity
Fanti & Cau 2014: New data on Aigialosaurus and Cretaceous mosasaurs
Cretaceous Research
ConfirmedB2014FossilFanti & Cau, Cretaceous ResearchTaxonomy
Status:
Confirmed Direct evidence
Grade:
A Strong consensus
B Good evidence

 

What We Still Do Not Know About Aigialosaurus

  • Complete skeletal morphology.
  • Phylogenetic relationships.
  • Ecological role.

In Depth

       Aigialosaurus was a semi aquatic lizard that was developed to enter the water yet still return to land.‭ ‬This is similar to many other lizards at this stage of the Cretaceous that would eventually evolve into the mosauridae,‭ ‬the last major group of marine reptiles that would adapt to ocean life during the Mesozoic.‭

Further Reading

– A redescription of Aigialosaurus (Opetiosaurus) bucchichi (Kornhuber, 1901) (Squamata: Aigialosauridae) with comments on mosasauroid systematics. – Journal of Vertebrate Paleontology 29 (2): 437-452. – Alex R. Dutchak & Michael W. Caldwell – 2009.

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