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Smok wawelski
Taxonomy
Smok wawelski was named by Niedzwiedzki et al. (2012). Its type specimen is ZPAL V.33/15, a partial skull (ventral part of the braincase with basioccipital and basisphenoid and a separate articulating piece of the right exoccipital-opisthotic, including approximately), and it is a 3D body fossil. Its type locality is Lipie Slaskie clay-pit, Lisowice, which is in a Norian/Rhaetian terrestrial claystone in the Zbaszynek Beds/Wielichowo Beds Formation of Poland. It is the type species of Smok.
Synonymy list
| Year | Name and author |
|---|---|
| 2012 | Smok wawelski Niedzwiedzki et al. |
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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.
†Smok wawelski Niedzwiedzki et al. 2012
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. Niedzwiedzki et al. 2012 | Autapomorphies among archosaurs are designated with an asterisk (*) and the remaining features provide a diagnosis differentiating Smok wawelski from other carnivorous archosaurs (including currently known theropod dinosaurs, rauisuchians, crocodylomorphs, ornithosuchids, and phytosaurs). Braincase with funnel-like expansion between the basal tubera and basipterygoid on the ventral surface, which is rounded in outline, much wider than the remainder of the ventral braincase, and indented by a deep pit at its caudal corner*. Nearly entire lateral surface of basisphenoid excavated by a deep fossa for the pterygoideus musculature, such that the midline region between the left and right fossae is extremely thin (<2 mm)*. Short, sheetlike crista tuberalis (=metotic strut of many authors). Base of the paroccipital process higher than dorsal rim of occipital condyle. Premaxillary body longer than tall, massive, with four large teeth, poorly developed narial fossa, lacking subnarial gap and subnarial foramen between premaxilla and maxilla. Maxilla elongated, with a high body that retains a constant dorsoventral depth as it continues caudally, and with 11 or 12 teeth. Antorbital fenestra low and triangular in outline. Antorbital fossa small, developed only around anterior part of antorbital fenestra. Maxillary and dentary tooth crowns recurved distally, with serrations along both edges and with marginal enamel wrinkles. Postorbital process of jugal curved strongly posteriorly, such that its anterior margin is markedly convex*. Humerus with distinct longitudinal torsion of shaft. Deltopectoral crest less than 30% of length of humeral shaft. Ilium tall (less than 3.5 times longer craniocaudally than tall above acetabulum), robust with a dorsally extending buttress above the acetabulum, a triangular rugosity on posterior iliac blade, and an antitrochanter, but without a brevis fossa (sensu Novas 1996). Anterior process of ilium elongated such that it reaches past the cranial level of the pubic peduncle. Large, ovoid antitrochanter-like structure on the medial acetabular wall of the ilium, immediately caudal to pubic peduncle*. Sacrum composed of three vertebrae, broadly attached to ilia through sacral ribs. Femur with a head that is continuous distally with the shaft (i.e., not set off by a notch or emargination), a mound-like lesser trochanter that is not elevated, a ridge-like fourth trochanter, and no trochanteric shelf. |
Measurements
No measurements are available
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| Source: subc = subclass, c = class, subp = subphylum | |||||
| References: Kiessling 2004, Carroll 1988, Hendy et al. 2009 | |||||
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Norian - Rhaetian | Poland (Slaskie) | Theropoda indet. (type locality: 85500) |