Genus: Mekosuchus BALONET & BUFFETAUT, 1987
Etymology: The genderic name comes from Mek, which means big land in Lifou (Loyautes islands dialect), and from Greek, souchos, "crocodile."

Species: inexpectatus BALONET & BUFFETAUT, 1987
Etymology: The specific name is an allusion to the fact it is unexpected to find a crocodyle in New Caledonia.

Holotype: NCP 06 a NCP 40

Locality: From Pindai Caves, New Caledonia, an Island off the cost of east Australia.

Horizon:

Biostratigraphy:

Age: Holocene, Uppermost Quaternary Subera, Upper Cenozoic Era.

Material: Right dentary, teeth right jugal and quadratojugal, pterygoids, left premaxilla, atlas and axis, caudal vertebra and dorsal vertebra.

Note: Willis, 1995 believes that it may have climbed trees and may have had a life style similar to arboreal large lizards.

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Species:? whitehunterensis WILLIS, 1997
Etymology: In reference to the type locality, White Hunter Site, Riversleigh World Heritage Area, Northwestern Queensland State, Australia.

Holotype: QM F31051

Locality: White Hunter Site, Riversleigh World Heritage Area, Northwestern Queensland, Australia.

Horizon:

Biostratigraphy: Riversleigh Faunal Zone A.

Age: Late Oligocene Epoch, Upper Paleogene Period, Lower Tertiary Sub-era, Early Cenozoic Era.

Material: Right maxilla.

 Mekosuchus whitehunterensis (after Scanlon, 2014).

Paratype:

QMF31052: Partial frontal.

QMF31053: Almost complete mandible.

QMF31054, 31055: Anterior portiosnof dentaries.

Referred material:

STEIN, ARCHER, & HAND, 2016

Locality: Price is Right Site, Riversleigh, northwestern Queensland State, Australia.

Horizon:

Biostratigraphy: Riversleigh Faunal Zone A.

Age: Late Oligocene Epoch, Upper Paleogene Period, Lower Tertiary Sub-era, Early Cenozoic Era.

Material:

QM F56039: Axis.

QM F56040: 3rd cervical vertebra.

QM F56041: 4th crvical vertebra.

QM F56042: 6th cervical vertebra.

QM F56043: 9th cervical vertebra.

QM F56045: left maxilla associated with QM F56049-43.

QM F56947: Left dentary associated with QM F56046 and QM F56039-43.

 

Locality: Hiatus Site, Riversleigh, northwestern Queensland State, Australia.

Horizon:

Biostratigraphy: Riversleigh Faunal Zone A.

Age: Late Oligocene Epoch, Upper Paleogene Period, Lower Tertiary Sub-era, Early Cenozoic Era.

Material:

QM F56320: 3rd cervical vertebra.

QM F56321: 3rd thoracic vertebra.

 

Locality: LSO Site, Riversleigh, northwestern Queensland State, Australia.

Horizon:

Biostratigraphy: Riversleigh Faunal Zone A.

Age: Late Oligocene Epoch, Upper Paleogene Period, Lower Tertiary Sub-era, Early Cenozoic Era.

Material:

QM F56322: 8th cervical vertebra.