Bu el Haderait: Lutetian, Libya
collected by R.J.G. Savage 1964

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Malacostraca - Decapoda - Carpiliidae
Palaeocarpilius sp. Milne-Edwards 1862
    = Palaeocarpilius aquilinus Collins and Morris 1973
Collins and Morris 1973
recombined as Bryocarpilius aquilinus
Cephalopoda - Nautilida
Nautilida indet. Agassiz 1847
Gastropoda
Volutacea indet. Rafinesque 1815
Bivalvia - Ostreida
Ostreacea indet. Rafinesque 1815
unclassified
Bryozoa indet. (Ehrenberg 1831)
Mammalia - Sirenia - Protosirenidae
Sirenia indet. Illiger 1811
Domning et al. 1982
    = Protosirenidae indet. Sickenberg 1934
Domning 2010
n. gen. n. sp. ="Libysiren sickenbergi" of Heal (1973)
    = Libysiren sickenbergi n. gen., n. sp. Domning et al. 2017
Domning et al. 2017
Echinoidea - Clypeasteroida - Fibulariidae
Echinocyamus sp. van Phelsum 1774
Echinoidea - Echinolampadoida - Echinolampadidae
Echinolampas crameri
Echinolampas globulus
Echinolampas fraasi de Loriol 1880
Echinoidea - Spatangoida - Schizasteridae
Schizaster cf. gaudryi
Echinoidea - Spatangoida - Brissidae
? Eupatagus lefeburei
Nummulitidae
Nummulites laevigatus
Globothalamea - Rotaliida - Nonionidae
Nonion sp. Monfort 1808
Elphidiidae
Elphidium sp. Monfort 1808
see common names

Geography
Country:Libya
Coordinates: 28.3° North, 18.5° East (view map)
Paleocoordinates:21.5° North, 14.2° East
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Paleogene Epoch:Eocene
Stage:Lutetian 10 m.y. bin:Cenozoic 2
Key time interval:Lutetian
Age range of interval:47.80000 - 41.20000 m.y. ago
Stratigraphy
Formation:Wadi Thamit Member:Al Gata
Stratigraphic resolution:member
Stratigraphy comments: Wadi Thamit Group- Al Gata and T'med al k'sour Chalks
Wadi Thamit identified as a formation by Domning et al 2017
Lithology and environment
Primary lithology: "limestone"
Lithology description: alternating micrites and shelly limestones A whitish calcilutite with Nummulites laevigatus,
Environment:carbonate indet.
Taphonomy
Modes of preservation:body,original phosphate
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:BMNH
Collectors:R.J.G. Savage Collection dates:1964
Collection method comments: Collected by 1964 Bristol University Expedition (additional specimens in Department of Geology, Bristol University)
Metadata
Database number:49943
Authorizer:M. Uhen, M. Clapham Enterer:M. Uhen, M. Clapham
Modifier:M. Uhen Research group:decapod,marine invertebrate,vertebrate
Created:2005-05-02 11:48:08 Last modified:2017-06-20 10:20:46
Access level:the public Released:2005-05-02 11:48:08
Creative Commons license:CC BY
Reference information

Primary reference:
38145. G. J. Heal. 1973. Contributions to the Study of Sirenian Evolution. 1-245 [M. Uhen/M. Uhen]

Secondary references:

55616decapod J. S. H. Collins and S. F. Morris. 1973. A New Crab From the Middle Eocene of Libya. Palaeontology 6(2):283-292 [C. Schweitzer/L. Baltzly]
33120 D. P. Domning. 2010. Sirenia. In L. Werdelin & W. J. Sanders (ed.), Cenozoic Mammals of Africa 147-160 [M. Uhen/M. Uhen]
62483 D. P. Domning, G. J. Heal, and S. Sorbi. 2017. Libysiren sickenbergi, gen. et sp. nov.: a new sirenian (Mammalia, Protosirenidae) from the middle Eocene of Libya. Journal of Vertebrate Paleontology 37(2):e1299158 [M. Uhen/M. Uhen/M. Uhen]
12993 D. P. Domning, G. S. Morgan, and C. E. Ray. 1982. North American Eocene sea cows (Mammalia: Sirenia). Smithsonian Contributions to Paleobiology 52:1-69 [M. Uhen/M. Uhen/P. Holroyd]