Genus: Megalancosaurus CALZAVARA, MUSICO & WILD, 1980
Etymology: Greek, mega, "large", Latin, lanca, "spear'" and Greek, sauros, "lizard."

Species: preonensis CALZAVARA, MUSICO & WILD, 1980
Etymology:

Holotype: GP/1769 MFSN

Locality: Near Casolare Torsulis in Preone Valley-Ampezzo, Friuli, Udine Province, Italy.

Horizon: "Dolomia di Forni”.

Biostratigraphy:

Age: Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material: Skull and lower jaws, cervical vertebrae, scapula, humeri, ulnae, radii, manii.

Referred material:

= Drepanosaurus unguicaudatus PINNA, 1980 (partim)

Locality: Val Bruciata, near Zogo, Bergamo, Lombardia Province, North Italy.

Horizon: Calcare di Zorzino Formation (Zorzion Limestone).

Biostratigraphy:

Agea: Middle-Late Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Museo Brembano di Scienze Naturali, San Pellegrino, Bergamo, MBSN 26: Immature specimen 1: Incomplete skeleton.

MFSN 1801: Immature specimen 2: Incomplete skeleton.

 

RENESTO, 1994

Locality: Zogno in the Bergamo Prealps, Bergamo, Lombardia Province, North Italy.

Horizon: Calcare di Zorzino Formation (Zorzion Limestone).

Biostratigraphy:

Agea: Middle-Late Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

Dipartimento di Scienze della Terra, Universita degli Studi, Milano, P 11 24: Incomplete skeleton.

 

RENESTO, 2000

Locality: Small quarry near Endenna, Bergamo, Lombardia Province, North Italy.

Horizon: Calcare di Zorzino Formation (Zorzion Limestone).

Biostratigraphy:

Agea: Middle-Late Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

CCSR 63115: Fragmentary skull and nearly complete skeleton.

 


Locality: Seazza Creek Valley, near the village of Preone, Friuli, Udine Province, Italy.

Horizon: Lower member of the Dolomia di Forni.

Biostratigraphy:

Agea: Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

MFSN 18443a: Distal end of tail.

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Species: endennae RENESTO, SPIELMANN, LUCAS & SPAGNOLI, 2010
Etymology: From the small village of Endenna (Bergamo, Lombardy, Northern Italy), where the specimen was found.
= Drepanosaurus unguicaudatus PINNA, 1980 (partim)
= Megalancosauurs preoensis RENESTO, 1994

Holotype: MBSN25

Locality: Endenna, Bergamo, Lombardia Province, North Italy.

Horizon: Calcare di Zorzino (Zorzino Limestone Formation.)

Biostratigraphy:

Age: Revueltian, Norian Stage, Late Triassic Epoch, Late Triassic.

Material: Incomplete postcrania consisting of the posterior 8-9 dorsals vertebrae wiht associated ribs, a nearly complete sacral and caudal series (the last caudals are missing), a complete pelvic girdle and both hindlimbs.

Referred material:

MBSN 26: Poorly preserved, postcranial skeleton consisting of the cervical series, the trunk, the pectoral and pelvic girdle, fore-and hindlimbs and the first 10-11 caudal vertebrae.