Dyoplax is an extinct genus of sphenosuchian crocodylomorph. Fossils have been found from the type locality within the upper Schilfsandstein Formation in Stuttgart-Feuerbach, Germany. The formation was deposited during the early Carnian stage of the Late Triassic 228 million years ago in a lagoonal paleoenvironment. Numerous bivalves, chondrichthyan fish such as Palaeobates, trematosaurian temnospondyls such as Metoposaurus, a phytosaur, and plants such as Neocalamites and Equisetites were also present in the paleoenvironment that existed at the time. The holotype specimen was a cast of a nearly complete skeleton that lacked only parts of the tail and limb bones. The age of the specimen within the strata shows that Dyoplax is the oldest sphenosuchian, predating other genera from the late C
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| - Dyoplax is an extinct genus of sphenosuchian crocodylomorph. Fossils have been found from the type locality within the upper Schilfsandstein Formation in Stuttgart-Feuerbach, Germany. The formation was deposited during the early Carnian stage of the Late Triassic 228 million years ago in a lagoonal paleoenvironment. Numerous bivalves, chondrichthyan fish such as Palaeobates, trematosaurian temnospondyls such as Metoposaurus, a phytosaur, and plants such as Neocalamites and Equisetites were also present in the paleoenvironment that existed at the time. The holotype specimen was a cast of a nearly complete skeleton that lacked only parts of the tail and limb bones. The age of the specimen within the strata shows that Dyoplax is the oldest sphenosuchian, predating other genera from the late C
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Caption
| - Original lithographic illustration of the holotype of Dyoplax arenaceus, from Fraas, 1867
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Species
| - (Fraas, 1867 )
- *D. arenaceus
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abstract
| - Dyoplax is an extinct genus of sphenosuchian crocodylomorph. Fossils have been found from the type locality within the upper Schilfsandstein Formation in Stuttgart-Feuerbach, Germany. The formation was deposited during the early Carnian stage of the Late Triassic 228 million years ago in a lagoonal paleoenvironment. Numerous bivalves, chondrichthyan fish such as Palaeobates, trematosaurian temnospondyls such as Metoposaurus, a phytosaur, and plants such as Neocalamites and Equisetites were also present in the paleoenvironment that existed at the time. The holotype specimen was a cast of a nearly complete skeleton that lacked only parts of the tail and limb bones. The age of the specimen within the strata shows that Dyoplax is the oldest sphenosuchian, predating other genera from the late Carnian that were once thought to be the oldest members of Sphenosuchia such as Hesperosuchus and Parrishia.
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