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PROCOMPSOGNATHUS

a meat-eating coelophysoid theropod dinosaur from the Late Triassic of Germany.
Pronunciation: pro-COMP-sog-NATH-us
Meaning: before Compsognathus
Author/s: Fraas (1913)
Synonyms: Hallopus celerrimus (Fraas, 1912)
First Discovery: Baden-Württemberg, Germany
Discovery Chart Position: #106

Procompsognathus triassicus

When the smashed and poorly-preserved Burrer Quarry remains of what would become Procompsognathus were first wheeled out during a 1912 lecture, Professor Eberhard Fraas referred to them as "Hallopus celerrimus" and announced that they belonged to some form of jumping dinosaur. Perhaps coincidentally, fellow German Friedrich von Huene said the same thing about Saltopus ("hopping foot") when he described its even poorer remains two years earlier, so he took an immediate shine to this new critter. Unfortunately, exuberance often ensues his self-written invitation to study dinosaurs of the theropod variety, which leaves a tangled mess for future experts to clean up. But, to be fair, it's not entirely his fault in this case.

(Update in progress...)
(Ancestor of Compsognathus from the Triassic)Etymology
Procompsognathus is derived from the Greek "pro" (before, ancestor of) and "Compsognathus" (a compsognathid dinosaur whose name means "elegant jaw"). However, this is a misnomer because subsequent research has failed to support a direct lineage.
The species epithet, triassicus, refers to the Triassic age in which it lived.
Discovery
The remains of Procompsognathus were discovered at "Weiße Steinbruch" (Burrer Quarry) in the Middle Stubensandstein member of the Löwenstein Formation, Pfaffenheim, Baden-Württemberg, Germany, by Albert Burrer in the spring of 1909.
The holotype (SMNS 12591) is a poorly preserved partial skeleton.
Estimations
Timeline:
Era: Mesozoic
Epoch: Triassic
Stage: Norian
Age range: 215-212 mya
Stats:
Est. max. length: 1.1 meters
Est. max. hip height: 0.3 meters
Est. max. weight: 1.5 Kg
Diet: Carnivore
References
• Fraas E (1913) "Die neuesten Dinosaurierfunde in der schwäbischen Trias". Naturwissenschaften 1(45): 1097-1100.
• von Huene F (1921) "Neue Pseudosuchier und Coelurosaurier aus dem württembergischen Keuper". Acta Zoologica 2: 329-403.
• von Huene F (1932) "Die fossile Reptil-Ordnung Saurischia, ihre Entwicklung und Geschichte". Monographien für Geologie und Paläontologie, 4, i-viii, 1-361.
• Boule M and Piveteau J (1935) "Les fossiles: éléments de paléontologie (899)". Paris: Masson & Cie.
• Ostrom JH (1978) "The osteology of Compsognathus longipes Wagner". Zitteliana, 4: 73-118.
• Sereno PC and Wild R (1992) "Procompsognathus: theropod, "thecodont" or both?". Journal of Vertebrate Paleontology, 12(4): 435-458. DOI: 10.1080/02724634.1992.10011473
• Holtz Jr. (2011) "The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages".
• Chatterjee S (1993) "Procompsognathus from the Triassic of Germany is not a crocodylomorph". Journal of Vertebrate Paleontology, 13(3): 29A.
• Sereno PC (1997) "The origin and evolution of dinosaurs". Annual Reviews of Earth and Planetary Science, 1997, 25: 435-489.
• Weishampel DB, Barrett PM, Coria RA, Le Loeuff J, Xing X, Xijin Z, Sahni A, Gomani EMP and Noto CR (2004) "Dinosaur Distribution". Page 524 in Weishampel, Dodson and Osmolska (eds.) "The Dinosauria: First Edition".
• Knoll F and Schoch R (2006) "Does Procompsognathus have a head? Systematics of an enigmatic Triassic taxon". Journal of Vertebrate Paleontology, 26(3): 86A.
• Ezcurra MD and Novas FE (2007) "Phylogenetic relationships of the Triassic theropod Zupaysaurus rougieri from NW Argentina". Historical Biology, 19(1): 35-72. Early Dinosaur Evolution.
• Paul GS (2010) "The Princeton Field Guide to Dinosaurs" (Page 72).
• Knoll F and Schoch R (2012) "CT scanning, rapid prototyping and re-examination of a partial skull of a basal crocodylomorph from the Late Triassic of Germany". Swiss Journal of Geosciences, 105(1): 109-115.
• Molina-Pérez R and Larramendi A (2016) "Récords y curiosidades de los dinosaurios Terópodos y otros dinosauromorfos". Larousse, Barcelona, Spain. Page 23
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To cite this page:
Atkinson, L. "PROCOMPSOGNATHUS :: from DinoChecker's dinosaur archive".
›. Web access: 06th Mar 2026.
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