Chinlechelys
WebFIGURE 13. Chinlechelys tenertesta costal, NMMNH P-16697-1 in 1, Dorsal and 2, ventral views; 3-5, Costals and ribs P-16697-3: 3, Ventral view and 4, line drawing; 5, Close up … WebIn their description of Chinlechelys, Lichtig & Lucas (2024) criticized Schoch & Sue's hypothesis of turtle origins, particularly the idea shells evolved from broadening ribs with …
Chinlechelys
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WebProganochelys quenstedti is an extinct, primitive stem-turtle that has been hypothesized to be the sister taxon to all other turtles creating a monophyletic group, the Casichelydia. Proganochelys was named by Georg Baur in 1887 as the oldest turtle in existence at the time. The name Proganochelys comes from the Greek word ganos meaning brightness, … WebChinlechelys (/ tʃ ɪ n əl tʃ ɛ l iː s / meaning Chinle turtle) is an extinct genus of stem-turtle belonging to Testudinata.It lived in the Norian age of the Late Triassic and is the oldest …
WebChinlechelys tenertesta is the most basal turtle known. 2. Chinlechelys tenertesta unambiguously supports the composite model of carapace formation. 3. Chinlechelys … WebProceedings 2024, 69, x FOR PEER REVIEW 4 of 7 FIGURE 2. Chinlechelys tenertesta costal, NMMNH P-16697-3: 1, Close up of a cross section across the rib of NMMNH P-16697-1 on the right in Figure 2.6; and 2, cross section of rib on the left in Figure 2.6. 3, color close up of a cross section across the same rib; 4, color close up of a cross section; …
WebNov 17, 2024 · This corresponds with the only turtle fossils found in North America, chinlechelys, which had a very thin shell 1-3 mm compared to this fossil at 5 mm. Unfortunately, if this is a fragment of turtle shell it is probably a float from the adjacent early cretaceous sandy conglomerate from which I have only found one poorly preserved … WebChinlechelys tenertesta possesses neck spines formed by multiple osteoderms, indicating that the earliest known turtles were covered with rows of dermal armour. More …
WebApr 3, 2024 · Lichtig and Lucas 2024reexamine Chinlechelys, a Late Triassic hard shell turtle known from disarticulated bits and pieces. They report, “Chinlechelys tenertesta is a turtle from the Upper Triassic Bull Canyon Formation of the Chinle Group of eastern New Mexico, USA, which has largely been ignored in recent studies of the...
WebA new, thin-shelled fossil from the Upper Triassic (Revueltian: Norian) Chinle Group of New Mexico, Chinlechelys tenertesta, is one of the most primitive known unambiguous members of the turtle stem lineage. The thin-shelled nature of the new turtle combined with its likely terrestrial habitat preference hint at taphonomic filters that basal turtles had to overcome … ethan busbyWebOct 8, 2008 · However, recent erosion revealed enough pieces of Chinlechelys tenertesta – Latin for thin-shelled turtle – to remove any doubt. Unlike turtle fossils dating from the … firefly osuWebDiscovery and naming []. Chinlechelys is known from only one assigned specimen, the holotype NMMNH P-16697 (New Mexico Museum of Natural History and Science) recovered from the Norian Bull Canyon Formation (New Mexico, United States). The skeleton consists of the middle of the carapace, the left hypoplastron, rear ribs, a neck spine, isolated … ethan busald atty in florence kyWebTestudines : turtles, tortoises, and their kin. from the Triassic. Chelonii : Odontochelys + * : Proganochelys + Chinlechelys + Casichelydia. Characters: For testudines above the Odontochelys grade: completion of … ethan burroughs wells fargo spartanburg scWebGenus: †Dinochelys. Gaffney, 1979. Species: † D. whitei. Binomial name. †Dinochelys whitei. Gaffney, 1979. Dinochelys (from a reference to the Dinosaur National Monument Visitor Center and Greek chelys, turtle) is an extinct genus of paracryptodiran turtle from the Late Jurassic Morrison Formation. ethan busby polisciWebFIGURE 13. Chinlechelys tenertesta costal, NMMNH P-16697-1 in 1, Dorsal and 2, ventral views; 3-5, Costals and ribs P-16697-3: 3, Ventral view and 4, line drawing; 5, Close up of dorsal side of rib in F where the costal plate has been broken away; and 6, Lateral view. Abbreviations: r, rib and c, costal. FIGURE 14. ethan burton realtorWebCanyon de Chelly National Monument. Step back in time at Canyon de Chelly National Monument, Arizona. Explore the canyon walls that cradle hundreds of ancient pueblo … ethan burris