Species: colcanapi CARROLL, 1981
Etymology:

Holotype: MNHN.F.MAP360a, counterpart MNHN.F.MAP360b(old P.M. 1908-11-13a counter block 1908-11-19a)

Locality: Sakamena River Valley in the vicinity of Mount Eliva, Toliary Province, southwestern Madagascar.

Horizon: Lower Sakamena Formation.

Biostratigraphy:

Age: Late Permian.

Material: Skeleton complete except for the head.

Referred material:

P.M. 1908-11-8a and counter block 1980-11-20a (MNHN.F.MAP318a, MNHN.F.MAP341: Nearly complete skeleton.

P.M. 1908-5-1a, 1908-11-4a, 1908-11-4b, 1908-11-5b, 1908-11-6a, 1908ª11-7a, 1908-11-9, 1908-11-10, 1908-11-12, 1908-11-14, 1908-11-15a, 1908-11-16a, 1908-11-19, 1908-11-20, 1908-5-1, N, R, kyx, y, y/x, OLU: Fragmentary skeletons.
Note: Gastroliths were found.

Some of these specimens = Tangasaurus mannilli PIVETEAU, 1926 (partim)

BUFFA, JALIL, FALCONNET & VINCENT, 2025

MNHN.F.MAP318a (old 1808-5-1): Late Subadult specimen.

MNHN.F.MAP330a (old 1908-11-6): Early subadult specimen.

MNHN.F.MAP334a, b (old 1908-11-41, b): Fragmentary skeleton of a juvenile.

MNHN.F.MAP339a, 424 (Old 1908-11-20, 1908-11-8a): Frgmentary skeleton of an adult specimen.

MNHN.F.MAP341 (Old 1908-11-10): Late Subadult specimen.

MNHN.F.MAP349a,b (old 1908-11-5a, v): Late Subadult specimen.

MNHN.F.MAP360a,b (old 1908-11-18, 1909-11-19):

MNHN.F.MAP613 (old 1908-11-7): Fragmentary skeleton of a juvenile.

1908-11-9: Now lost).

AFF.Thadeosaurus colcanpi

MNHN.F.MAP316a (old 1908-11-13a):

MNHN.F.MAP33`a (old 1908-11-6):

MNHN.F.MAP346 (old 1908-11-1):

MNHN.F.MAP347 (old 1908--11-2):

MNHN.F.MAP355 (Old 1908-11-14):

MNHN.F.MAP375 (OLD 19008011-12):

 

= Broomia madagascariensis PIVETEAU, 1925
Etymology: In reference to the country of Madagascar, where the specimen was found.

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= Datheosaurus sp PIVETEAU, 1926

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