Knocklofty Formation

Knocklofty Formation
Stratigraphic range: Early Triassic, Induan PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Geological formation
Lithology
Primary	Mudstone, siltstone, sandstone
Other	Conglomerate
Location
Coordinates	42°54′S147°18′E / 42.9°S 147.3°E / -42.9; 147.3
Approximate paleocoordinates	82°24′S61°18′E / 82.4°S 61.3°E / -82.4; 61.3
Region	Tasmania
Country	Australia
Type section
Year defined	1966
Knocklofty Formation (Tasmania)

The Knocklofty Formation is an Early Triassic geologic formation from southern Tasmania, Australia, belonging to the Induan stage. ^[1] It was deposited in a terrestrial, freshwater environment, and is primarily composed of shale and sandstone. ^[2]

List of known fossil taxa

Tetrapods

• Banksiops townrowi ^[3]
• Chomatobatrachus halei ^[3]
• Deltasaurus kimberleyensis ^[3]
• Derwentia warreni ^[3]
• Rotaurisaurus contundo ^[3]
• Tasmaniosaurus triassicus ^[3]
• Watsonisuchus sp. ^[3]

Fish

• Ceratodus sp. ^[4]
• Saurichthys sp. ^[4]
• Cleithrolepis sp. ^[4]
• Acrolepis tasmanicus

References

1. "Australian Stratigraphic Units Database, Geoscience Australia". asud.ga.gov.au. Retrieved 16 January 2021.
2. "PBDB". paleobiodb.org. Retrieved 17 May 2025.
3. Cosgriff, J. (1 January 1974). Lower Triassic Temnospondyli of Tasmania. Geological Society of America Special Papers. Vol. 149. pp. 1–134. doi:10.1130/SPE149-p1. ISBN   0-8137-2149-0.
4. Dziewa, Thamas. J. (1980). "Early Triassic Osteichythyans from the Knocklofty Formation of Tasmania" (PDF). Papers and Proceedings of the Royal Society of Tasmania. 114: 145–160. doi:10.26749/rstpp.114.145.