Behrendt Mountains, Ellsworth Land (Locality 10): Bajocian - Late/Upper Bajocian, Antarctica

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Ostreida - Ostreidae
Ostrea informal sp. B Linnaeus 1758
4 specimens
Ostrea informal sp. C Linnaeus 1758
4 specimens
Bivalvia - Ostreida - Pinnidae
Pinna sp. Linnaeus 1758
4 specimens
Bivalvia - Pectinida - Buchiidae
Buchia sp. Rouillier 1845
1 specimen
Bivalvia - Pectinida - Oxytomidae
Oxytoma trechmanni n. sp.
original and current combination Avicula (Oxytoma)
Oxytoma sp. (Meek and Hayden 1865)
1 specimen
original and current combination Avicula (Oxytoma)
Bivalvia - Pectinida - Anomiidae
Placunopsis parallela n. sp.
11 specimens
Bivalvia - Pectinida - Entoliidae
Entolium (Entolium) spedeni n. sp.
6 specimens
Bivalvia - Pectinida - Pectinidae
"Camptonectes" (aff. Camptonectes) grandis (Hector 1886)
1 specimen
Camptonectes (Camptonectes) robusta n. sp.
5 specimens
Bivalvia - Pectinida - Spondylidae
Spondylus sp. Linnaeus 1758
1 specimen
Bivalvia - Arcida - Parallelodontidae
Parallelodon sp. Meek and Worthen 1866
Grammatodon sp. Meek and Hayden 1860
1 specimen
Bivalvia - Trigoniida - Myophorellidae
Vaugonia informal sp. 1 Crickmay 1930
1 specimen
Bivalvia - Pholadomyida - Pholadomyidae
Pholadomya anterumbonis n. sp.
1 specimen
Bivalvia - Pholadida - Pleuromyidae
Pleuromya latarugata n. sp.
3 specimens
original and current combination Myacites (Pleuromya)
Pleuromya informal sp. 4 (Meek 1873)
3 specimens
original and current combination Myacites (Pleuromya)
Pleuromya uniformis Sowerby 1813
2 specimens
Pleuromya milleformis Marwick 1953
24 specimens
Bivalvia - Cardiida - Arcticidae
Anisocardia (Anisocardia) informal sp. 1 Munier-Chalmas 1863
3 specimens
Anisocardia informal sp. 2 Munier-Chalmas 1863
1 specimen
Pronoella antarctica n. sp.
8 specimens
Bivalvia - Carditida
Crassatellacea indet. FĂ©russac 1822
2 specimens
corrected as Crassatelloidea
see common names

Geography
Country:Antarctica
Coordinates: 75.5° South, 72.5° West (view map)
Paleocoordinates:62.1° South, 8.3° West
Basis of coordinate:estimated from map
Altitude:900 meters
Time
Period:Jurassic Epoch:Middle Jurassic
Stage:Bajocian 10 m.y. bin:Jurassic 4
*Period:Middle Jurassic *Epoch:Dogger
*International age/stage:Middle Bajocian - Late/Upper Bajocian
Key time interval:Bajocian - Late/Upper Bajocian
Age range of interval:170.90000 - 168.20000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Lithology and environment
Primary lithology: siltstone
Secondary lithology: sandstone
Lithology description: "The fauna occurs in dark siltstone and fine sandstone (in contrast to the Late Jurassic lithic wacke) from which almost all carbonate has been leached, probably by surface weathering processes."
Environment:marine indet.
Taphonomy
Modes of preservation:cast,mold/impression
Size of fossils:macrofossils
Spatial orientation:life position
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Taxonomic list comments:The taxon, Parallelodon sp., was found at locality 10. This species "occur[s] in both Middle and Late Jurassic faunal assemblages from Antarctica and w[as] described by Quilty (1978)" and "will not be documented further here." This occurrence was added to the taxonomic list.
Metadata
Also known as:\"The specimens described are held in the collection of the Geology Department, University of Tasmania (UTGD), and the numbers given are the accession numbers in that collection." Individual specimen numbers were not recorded to the database.
Database number:32724
Authorizer:A. Miller Enterer:K. Layou
Modifier:M. Manojlovic Research group:marine invertebrate
Created:2003-07-14 08:31:34 Last modified:2016-07-13 11:33:44
Access level:the public Released:2003-07-14 08:31:34
Creative Commons license:CC BY
Reference information

Primary reference:

8789. P.G. Quilty. 1983. Bajocian bivalves from Ellsworth Land, Antarctica. New Zealand Journal of Geology and Geophysics 26:395-418 [A. Miller/K. Layou/K. Layou]