Locality D44/f244, Southland: Aalenian - Callovian, New Zealand

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Pholadomyida - Pholadomyidae
Pholadomya (Pholadomya) beaumontensis n. sp.
Bivalvia - Trigoniida - Myophorellidae
Vaugonia (cf. Hijitrigonia) kahuika Fleming 1987
see common names

Geography
Country:New Zealand
Coordinates: 45.9° South, 168.0° East (view map)
Paleocoordinates:78.9° South, 47.1° East
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Jurassic Epoch:Middle Jurassic
Key time interval:Aalenian - Callovian
Age range of interval:174.70000 - 161.50000 m.y. ago
Stratigraphy
Geological group:Murihiku Formation:Barretts Conglomerate
Stratigraphic resolution:group of beds
Stratigraphy comments: The sandstone unit, previously dated as Permian, is now mapped as a horizon within the Barretts Conglomerate, which is considered to be a unit within the Murihiku Supergroup. The authors suggest a Middle Jurassic, Temaikan (Aalenian-Callovian) age for the Barretts Conglomerate.
Lithology and environment
Primary lithology: lithified sandstone
Environment:marine indet.
Geology comments: Jurassic rocks of the Murihiku Supergroup represent estuarine and marine continental shelf sites of deposition.
Taphonomy
Modes of preservation:cast,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Collection method comments: Type specimens are held in the collections of the Institute of Geological & Nuclear Sciences, Lower Hutt.
Metadata
Database number:51932
Authorizer:M. Aberhan Enterer:S. Nurnberg
Modifier:S. Nurnberg Research group:marine invertebrate
Created:2005-07-05 03:51:04 Last modified:2005-11-16 07:00:57
Access level:the public Released:2005-07-05 03:51:04
Creative Commons license:CC BY
Reference information

Primary reference:
13811. H. J. Campbell and J. A. Grant-Mackie. 1995. Jurassic Pholadomyidae (Bivalvia) from New Zealand and New Caledonia. New Zealand Journal of Geology and Geophysics 38:47-59 [M. Aberhan/S. Nurnberg/S. Nurnberg]