Marree Subgroup
Geological subgroup in South Australia
The Marree Subgroup, previously described as Maree Formation and Marree Formation, is a geological subgroup in the Eromanga Basin of South Australia whose strata date back to the Aptian. The subgroup was first described as a formation by Forbes in 1966. Dinosaur remains are among the fossils that have been recovered from the formation.
An opalised plesiosaur specimen of the genus Umoonasaurus has been nicknamed 'Eric' and was described in 1998 by Schroeder. The decapod crab Dioratiopus salebrosus was described in 1980.
01Vertebrate paleofauna
Indeterminate theropod remains present in Western Australia.
Dinosaurs
| Dinosaurs of the Marree Subgroup | ||||
|---|---|---|---|---|
| Genus | Species | Presence | Notes | Images |
|
K. kujani |
Geographically present in Western Australia, Australia. |
"Hindlimb." |
||
Sauropterygians
| Sauropterygians of the Marree Subgroup | ||||
|---|---|---|---|---|
| Genus | Species | Presence | Notes | Images |
|
U. demoscyllus |
Bulldog Shale of northern South Australia. |
Known from an opalized skeleton nicknamed 'Eric'. |
||

Sources and credits
This article is adapted from the Wikipedia article “Marree Subgroup”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.
Images, from Wikimedia Commons:
- Umoonasaurus demoscyllus.png by Connor Ashbridge, CC BY-SA 4.0
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