Genus: Mambachiton NESBITT, PATELLOS, KAMMERER, RANIVOHARIMANANA, WYSS & FLYNN, 2023
Etymology: Malagasy, mamba, "crocodile" and Greek, chiton, "suit of armour": crocodile armor. A secondary reference to the molluscan chiton is also intended, based on the evocative superficial similarity in armour morpohology between Mambachiton fiandohana and polyplacophorans..

Species: fiandohana NESBITT, PATELLOS, KAMMERER, RANIVOHARIMANANA, WYSS & FLYNN, 2023
Etymology: Malagasy meaning source or begining, in reference to this taxon's phylogenetic position near the crocodile-bird split, the node to which archosauria is difinitionally linked.

Holotype: UA 8-25-97-132

Locality: Locality M-13, east of Sakaraha, Southern Morondava Basin, south-western Madagascar.

Note: Precise locality information on file at the AMNH, FMNH, and UA.

Horizon: Basal Isalo II'beds/Makay Formation.

Biostratigraphy:

Age: Ladinian Stage, Upper Mid Triassic Epoch, Middle Triassic-Carnian Stage, Late Triassic Epoch, Late Triassic.

Material: An articulated series of anterior to posterior cervical vertebrae and osteoderms, anterior cervical vertebra neural arch fragment, cervical rib, and disarticulated osteoderms. A right partial postfrontal was directly associated with the holotype.

Referred material:

FMNH PR 5065: Middle trunk vertebrae, posterior trunk vertebrae, sacral vertebra one, anterior caudal vertebra, right scapulocoracoid, left scapulocoracoid, right ilium, and right porximal portion of femur.