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Aigialosaurus
Taxonomy
Aigialosaurus was named by Kramberger (1892) [Sepkoski's age data: K Turo Sepkoski's reference number: 1066]. Its type is Aigialosaurus dalmaticus. It is the type genus of Aigialosauridae.
It was assigned to Squamata by Sepkoski (2002); and to Aigialosauridae by McDowell and Bogert (1954), Carroll (1988), Carroll and DeBraga (1992), Bell and Polcyn (2005), Dutchak and Caldwell (2006), Dutchak and Caldwell (2009).
It was assigned to Squamata by Sepkoski (2002); and to Aigialosauridae by McDowell and Bogert (1954), Carroll (1988), Carroll and DeBraga (1992), Bell and Polcyn (2005), Dutchak and Caldwell (2006), Dutchak and Caldwell (2009).
Species
A. bucchichi, A. dalmaticus (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1892 | Aigialosaurus Kramberger |
| 1954 | Aigialosaurus McDowell and Bogert p. 132 |
| 1988 | Aigialosaurus Carroll |
| 1992 | Aigialosaurus Carroll and DeBraga pp. 66-80 |
| 2002 | Aigialosaurus Sepkoski |
| 2005 | Aigialosaurus Bell and Polcyn p. 189 |
| 2006 | Aigialosaurus Dutchak and Caldwell |
| 2009 | Aigialosaurus Dutchak and Caldwell |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Aigialosaurus Kramberger 1892
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†Aigialosaurus bucchichi Kornhuber 1901
†Aigialosaurus dalmaticus Kramberger 1892
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. R. Dutchak and M. W. Caldwell 2009 | Moderately large squamate with seven or eight cervical, 19 or 20 presacral trunk, and at least 80 caudal vertebrae; tail laterally compressed with elongate, posteriorly angled neural and haemal spines on caudal vertebrae; limbs with well developed digits and a phalangeal count of 2-3-4- 5-3 on both manus and pes; frontal makes up entire dorsal rim of orbit; parietal process of postorbitofrontal contacts parietal laterally; quadrate rami of parietal extend posterior to foramen magnum; extensive suprastapedial process creates rounded quadrate morphology; pterygoid teeth present; trilobate coronoid. |
Measurements
No measurements are available
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| Source: superf = superfamily, c = class, subp = subphylum | |||||
| References: Kiessling 2004, Hendy et al. 2009, Carroll 1988, Bush and Bambach 2015 | |||||
Age range: Late/Upper Cenomanian or 100.50000 to 93.90000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Cenomanian | Croatia | A. bucchichi (123565) A. dalmaticus (123551) Opetiosaurus bucchichi (123550) |