pectoral girdle in Petrolacosaurus is light in comparison to the massive girdles found in taxa such as pelycosaurs. Petrolacosaurus specimens had a clavicle...
13 KB (1,536 words) - 23:53, 21 February 2024
Carboniferous to the Early Permian. The group contains the genera Araeoscelis, Petrolacosaurus, the possibly aquatic Spinoaequalis, and less well-known genera such...
11 KB (986 words) - 16:30, 21 June 2024
"Younginiformes" (later, more specifically, emended to Youngina capensis) than to Petrolacosaurus (representing Araeoscelidia). The earliest known neodiapsids like Orovenator...
29 KB (1,747 words) - 21:23, 28 July 2024
specifically, the most inclusive clade containing Captorhinus aguti and Petrolacosaurus kansensis but not Procolophon trigoniceps, by Tsuji and Müller (2009)...
6 KB (467 words) - 10:35, 29 June 2024
appear as a giant tarantula-like spider hunting the cat-sized reptile Petrolacosaurus in the segment detailing the Carboniferous, with the reconstruction...
22 KB (2,382 words) - 20:46, 10 July 2024
the Joggins Formation in Nova Scotia, and possibly New Brunswick. Petrolacosaurus, the earliest known diapsid reptile, lived during the late Carboniferous...
110 KB (11,562 words) - 10:18, 18 June 2024
Fossils of the basal pelycosaur Archaeothyris and the basal diapsid Petrolacosaurus are also found in the same region of Nova Scotia, although from a higher...
9 KB (921 words) - 16:12, 27 July 2024
Araeoscelis (9) but more than Petrolacosaurus (6). The maxilla has about 25 teeth, more than Araeoscelis (19) but less than Petrolacosaurus (35). The fourth and...
4 KB (383 words) - 23:53, 21 February 2024
found by separating it from a block that also contained the remains of Petrolacosaurus and Haptodus. The evolutionary significance of the taxon wasn't realized...
8 KB (741 words) - 15:20, 6 April 2024
seed plants over ferns and lycophytes. First diapsid reptiles (e.g. Petrolacosaurus). 280 Ma Earliest beetles, seed plants and conifers diversify while...
85 KB (4,725 words) - 17:33, 30 July 2024
†Araeoscelidia Aphelosaurus Araeoscelis Dictybolos? Halgaitosaurus Kadaliosaurus Petrolacosaurus Spinoaequalis? Zarcasaurus †Captorhinidae Amniota (crown group)...
3 KB (272 words) - 07:57, 10 June 2024
†Araeoscelidia Aphelosaurus Araeoscelis Dictybolos? Halgaitosaurus Kadaliosaurus Petrolacosaurus Spinoaequalis? Zarcasaurus †Captorhinidae Amniota (crown group)...
30 KB (2,759 words) - 13:34, 5 June 2024
most modern reptiles and mammals. Westlothiana Casineria Hylonomus Petrolacosaurus Archaeothyris Carboniferous tetrapods Arjan, Mann, et al. “Carbonodraco...
2 KB (176 words) - 13:18, 5 June 2024
Cliffs, the same locality in which the early reptiles Hylonomus and Petrolacosaurus (both of which resemble Archaeothyris) were found. Archaeothyris lived...
6 KB (509 words) - 20:01, 22 July 2024
Mesothelae suborder. The coal forest is also inhabited by the early reptile Petrolacosaurus, one of the few creatures that end up surviving a catastrophic forest...
18 KB (1,371 words) - 15:10, 1 May 2024
†Araeoscelidia Aphelosaurus Araeoscelis Dictybolos? Halgaitosaurus Kadaliosaurus Petrolacosaurus Spinoaequalis? Zarcasaurus †Captorhinidae Amniota (crown group)...
15 KB (1,156 words) - 19:02, 27 March 2024
in Kansas, United States, was one of the first diapsids, along with Petrolacosaurus. It was also the first reptile to return to the water, evolving shortly...
2 KB (155 words) - 23:54, 21 February 2024
such as Petrolacosaurus, in that its teeth were larger and blunter; possibly they were used for cracking insect carapaces. Unlike Petrolacosaurus, which...
5 KB (408 words) - 04:33, 17 June 2024
†Araeoscelidia Aphelosaurus Araeoscelis Dictybolos? Halgaitosaurus Kadaliosaurus Petrolacosaurus Spinoaequalis? Zarcasaurus †Captorhinidae Amniota (crown group)...
12 KB (1,138 words) - 05:04, 22 July 2024
†Araeoscelidia Aphelosaurus Araeoscelis Dictybolos? Halgaitosaurus Kadaliosaurus Petrolacosaurus Spinoaequalis? Zarcasaurus †Captorhinidae Amniota (crown group)...
68 KB (7,456 words) - 16:49, 3 May 2024
†Araeoscelidia Aphelosaurus Araeoscelis Dictybolos? Halgaitosaurus Kadaliosaurus Petrolacosaurus Spinoaequalis? Zarcasaurus †Captorhinidae Amniota (crown group)...
21 KB (1,652 words) - 15:46, 21 June 2024
proportions—especially the large manus—are similar to the araeoscelidan Petrolacosaurus. In 2024, Rossi and colleagues published the results of several detailed...
12 KB (1,176 words) - 05:05, 15 July 2024
(such as Youngina). However, they were not found to be as basal as Petrolacosaurus, one of the earliest and most primitive diapsids known. Although drepanosaurs...
24 KB (2,559 words) - 23:52, 24 July 2024
†Araeoscelidia Aphelosaurus Araeoscelis Dictybolos? Halgaitosaurus Kadaliosaurus Petrolacosaurus Spinoaequalis? Zarcasaurus †Captorhinidae Amniota (crown group)...
17 KB (1,033 words) - 16:48, 25 March 2024
†Araeoscelidia Aphelosaurus Araeoscelis Dictybolos? Halgaitosaurus Kadaliosaurus Petrolacosaurus Spinoaequalis? Zarcasaurus †Captorhinidae Amniota (crown group)...
3 KB (263 words) - 17:46, 7 March 2024
one of two holes in the side of the head. In early diapsids such as Petrolacosaurus and Youngina, the quadratojugal is long as in amphibians, early synapsids...
16 KB (1,789 words) - 09:16, 18 March 2024
†Araeoscelidia Aphelosaurus Araeoscelis Dictybolos? Halgaitosaurus Kadaliosaurus Petrolacosaurus Spinoaequalis? Zarcasaurus †Captorhinidae Amniota (crown group)...
10 KB (1,101 words) - 17:09, 23 June 2024
†Araeoscelidia Aphelosaurus Araeoscelis Dictybolos? Halgaitosaurus Kadaliosaurus Petrolacosaurus Spinoaequalis? Zarcasaurus †Captorhinidae Amniota (crown group)...
5 KB (427 words) - 23:51, 21 February 2024
†Araeoscelidia Aphelosaurus Araeoscelis Dictybolos? Halgaitosaurus Kadaliosaurus Petrolacosaurus Spinoaequalis? Zarcasaurus †Captorhinidae Amniota (crown group)...
3 KB (291 words) - 19:34, 2 March 2024
