Lake Pinpa (Oligocene of Australia)

Where: South Australia, Australia (31.2° S, 140.2° E: paleocoordinates 46.0° S, 136.2° E)

• coordinate stated in text

When: Namba Formation, Late/Upper Oligocene (28.4 - 23.0 Ma)

• top of unnamed member 1; Beck et al. (2020): The Namba Formation has been correlated with the Etadunna Formation, which has been estimated to be 26-24 Ma old (i.e. latest Oligocene) on the basis of isotopic, foraminiferal, magnetostratigraphic and radiometric (Rb-Sr dating of illite) data. More recently, the Etadunna Formation has been proposed to be 26.1-23.6 Ma old based on a best-fit age-model of magnetostratigraphic data. The Pinpa Local Fauna is the oldest of the three distinct faunal units recovered from stratigraphic levels in the Namba Formation, and has been correlated with the oldest faunal zone (Zone A) of the Etadunna Formation, which has been dated as 25.3-24.9 Ma old (chrons 7An and 7Ar) based on magnetostratigraphy. In summary, available evidence suggests a probable age of between approximately 26 and 25 MYA for the Pinpa Local Fauna.

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine; claystone

• illite and kaolinite clays

Size class: macrofossils

Preservation: original phosphate

Primary reference: E. M. G. Fitzgerald. 2004. A review of the Tertiary fossil Cetacea (Mammalia) localities in Australia. Memoirs of the Museum of Victoria 61(2):183-208 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 51412: authorized by Mark Uhen, entered by Mark Uhen on 03.06.2005, edited by Albert Garcia Selles, Philip Mannion and Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

Gnathostomata
  -
Osteichthyes
 Ceratodontiformes - Neoceratodontidae
Neoceratodus "sp. 1" Castelnau 1876 Queensland lungfish
Neoceratodus "sp. 2" Castelnau 1876 Queensland lungfish
Neoceratodus "sp. 3" Castelnau 1876 Queensland lungfish
Neoceratodus "sp. 4" Castelnau 1876 Queensland lungfish
Neoceratodus nargun Kemp 1983 Queensland lungfish
Neoceratodus djelleh Kemp 1982 Queensland lungfish
Neoceratodus gregoryi White 1925 Queensland lungfish
Neoceratodus forsteri Krefft 1870 Queensland lungfish
Neoceratodus eyrensis White 1925 Queensland lungfish
Mammalia
 Diprotodonta - Pilkipildridae
 Monotremata - Ornithorhynchidae
Obdurodon insignis Woodburne and Tedford 1975 platypus
 Cetacea - Eurhinodelphinidae
Eurhinodelphinidae indet. Abel 1901 toothed whale
 Diprotodontia - Wynyardiidae
Muramura sp. Pledge 1987 diprotodont marsupial
 Diprotodontia - Diprotodontidae
Raemeotherium yatkolai n. gen. n. sp.2
Raemeotherium yatkolai n. gen. n. sp.2 Rich et al. 1978 diprotodont marsupial
 Diprotodontia - Ilariidae
Ilariidae indet. Tedford and Woodburne 1987 diprotodont marsupial
Ilaria illumidens n. gen. n. sp. Tedford and Woodburne 1987 diprotodont marsupial
 Diprotodontia - Phascolarctidae
Madakoala devisi Woodburne et al. 1987 koala
 Diprotodontia - Pseudocheiridae
Pildra antiquus Woodburne et al. 1987 ringtail possum
 Diprotodontia - Potoroidae
? Potoroidae indet. Gray 1821 diprotodont marsupial
 Diprotodontia - Petauridae
Petauridae indet. Bonaparte 1838 possum
 Diprotodontia - Miralinidae
Miralina cf. minor Woodburne et al. 1987 diprotodont marsupial
 Diprotodontia - Ektopodontidae
Chunia cf. illuminata Woodburne and Clemens 1986 diprotodont marsupial
 Diprotodontia - Macropodidae
? Macropodidae indet. Gray 1821 kangaroo
Reptilia
 Testudines - Meiolanidae
"Meiolanidae indet." = Meiolaniidae1
"Meiolanidae indet." = Meiolaniidae1 Lydekker 1887 turtle
 Testudines - Chelidae
Emydura sp. Bonaparte 1836 sideneck turtle
 Loricata -
Crocodylia indet. crocodilian
 Crocodylia -
Australosuchus clarkae3 Willis and Molnar 1991 crocodilian
AMNH 12177 (premaxilla and 2 teeth) and AMNH 12200 (skull)
Aves
 Charadriiformes - Burhinidae
Burhinidae indet. Mathews 1912 stone-curlew
 Passeriformes -
Passeriformes indet. Linnaeus 1758 perching bird
 Podicipediformes - Podicipedidae
Podicipedidae indet. Bonaparte 1831 grebe
 Gruiformes - Rallidae
Rallidae indet. Vigors 1825 rail
 Anseriformes - Anatidae
Anatidae indet. Vigors 1825 waterfowl
Australotadorna alecwilsoni n. gen. n. sp.4 Worthy 2009 duck
Pinpanetta fromensis4 Worthy 2009 waterfowl
Pinpanetta tedfordi4 Worthy 2009 waterfowl
 Suliformes - Phalacrocoracidae
Phalacrocoracidae indet. Reichenbach 1850 cormorant
 Pelecaniformes - Pelecanidae
Pelecanus tirarensis Miller 1966 pelican
 Phoenicopteriformes - Phoenicopteridae
Phoenicopteridae indet. Bonaparte 1838 flamingo