Calamosuchus

Calamosuchus
Temporal range: Late Triassic,
Holotype specimen, labeled as Belodon (=Nicrosaurus) kapffi
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Crurotarsi
Order: Phytosauria
Clade: incertae sedis
Genus: Calamosuchus
Sues & Schoch, 2025
Species:
C. arenaceus
Binomial name
Calamosuchus arenaceus
(Fraas, 1896)
Synonyms

Calamosuchus is an extinct genus of probable early phytosaurian reptiles known from the Late Triassic (Carnian age) Stuttgart Formation of Germany. The genus contains a single species, Calamosuchus arenaceus, known from a partial mandible. The species was first described in 1896 by Eberhard Fraas, who assigned it to the genus Zanclodon as Z. arenaceus. Although researchers have noticed substantial differences between Z. arenaceus and the Z. laevis (the type species) since 1902, it did not receive a distinct genus name until 2025, when it was placed in the new genus Calamosuchus.