Genus: Marcianosuchus SUES, SPIEKMAN & SCHOCH, 2024
Etymology: In reference to the Marciana silva ('border forest'), the Latin designation for the Black Forest used by the Roman historian Ammianus Marcellinus anc in the fourth century CE, and Greek, suchus, the ancient Egyptian crocodile-headed diety Sobek, a commonly used suffix for genus names and non-mammalian tetrapods.

Species: angustifrons SUES, SPIEKMAN & SCHOCH, 2024
Etymology: Latin, angustus, "narrow" and Greek, frons, "forehead"; in referce to the transversely narrow frontal region of the cranium.

Holotype; SMNS 91318

Locality: Kössig quarry, about 100 m south of Rotfeldn, Eghausen Municipality, Calw District, 48°36'9.07"N, 8°41'51/79"E, Baden-Württenberg State, Germany.

Horizon: Röt Subformation 4, Röt Formation, Upper Buntsandstein Subgroup, Buntsandstein Group.

Biostratigraphy:

Age: Aegean, Anisian Stage, Early Mid Triassic Epoch, Early Middle Triassic.

Material: Right premaxilla, right maxilla, frontals, right postorbital, right quadratojugal, right squmosal, right quadrate, articualted left articular, surangular, and angular, left prearticular, teeth, both scapulae, left coracoid, both humeri, partial right ilium, right ischium, both pubes, both femora, partial tibia, fragment of ?fibula, vertebrae from varous regions of the vertebral column, neural arches, ribs, gastralia, and osteoderms. There are additional bones that could not yet be identified due to the lack of detailed information for possibly homogous elemtns in otehr known archosauriform reptiles.

Marcianosuchus angustifrons skull after SUES, SPIEKMAN & SCHOCH, 2024,