Work

Parallelodon antiquus Barrois 1891

Year: 2026

Type: article

Abstract: Parallelodon antiquus Barrois, 1891 Original source Barrois (1891): 200, pl. 3 fig. 3a–b. Type stratum and age “Grès armoricain”; upper Arenig (Babin 1966), Middle Ordovician. Type locality “Chapelle-Glain”; Loire-Atlantique département, Region Pays de la Loire, France. Type material Whereabouts unknown. Remarks Douvillé (1913: 440) placed the species in Actinodonta Phillips in Phillips & Salter, 1848, followed by other palaeontologists (Dechaseaux 1952: 270; Eberzin 1960: 72), whereas Cox (1960) mentioned its true Parallelodon morphology. Pojeta (1971: 17–18) classified the species in “ Pseudarca [Siliquarca]” (Lyrodesmatidae). Amler & Friedel (2025) noted that P. antiquus does not show the typical morphological characteristics of Palaeozoic parallelodontids, particularly with regard to the hinge arrangement, and therefore, doubt the assignment to Parallelodon.

DOI: 10.5281/zenodo.20750472

Authors: Friedel, Julia C., Neubauer, Thomas A., Amler, Michael R. W.

Institutions: University of Cologne, Naturalis Biodiversity Center, Bayerische Staatssammlung für Paläontologie und Geologie, Bavarian Natural History Collections, Ludwig-Maximilians-Universität München, Philipps University of Marburg

Topic: Paleontology and Stratigraphy of Fossils

Subfield: Paleontology

Field: Earth and Planetary Sciences

Domain: Physical Sciences

Open Access status: gold

OpenAlex ID: W7165173227

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