Lomas del Mar subdivision: Late Pliocene - Early Pleistocene, Costa Rica

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Malacostraca - Decapoda - Leucosiidae
Persephona sp. Leach 1817
Malacostraca - Decapoda - Majidae
Malacostraca - Decapoda - Panopeidae
see common names

Geography
Country:Costa Rica State/province:Limon
Coordinates: 10.0° North, 83.0° West (view map)
Paleocoordinates:10.3° North, 82.7° West (Wright 2013)
Basis of coordinate:estimated from map
Time
Period: Neogene - Quaternary Epoch: Pliocene - Pleistocene
Stage: Piacenzian 10 m.y. bin: Cenozoic 6
Key time interval: Late Pliocene - Early Pleistocene
Age range of interval: 3.6 - 0.774 m.y. ago
Stratigraphy
Formation:Moin Member:Lomas del Mar Reef
Stratigraphy comments: Underlying Formation: Quebrada Chocolate Formation. Overlying Formation: Quaternary Alluvium and Late Pleistocene Reefs. Thickness: About 200 m. Within the Moin Formation, the Lomas Del Mar Member is considered part of lithofacies 2 along with the Empalme Reef Member, and is underlain by the Pueblo Nuevo Sand Member (Coates et al, 2000).
Lithology and environment
Primary lithology:volcaniclastic,shelly/skeletal,gray muddy sandstone
Secondary lithology:gray,blue silty claystone
Lithology description: The Lomas Del Mar Reef Member is one of the two coral members in the Moin Formation that represents horizons of mollusk and coral rich biostromes contained in a siliciclastic matrix, such as sandstone, siltstone, and mudstone.
Environment:offshore
Geology comments: The depositional environment most likely represents an upper slope, fore-reef, promontory deposit. (McNeil et al, 2000; Grammar et al, 1993).
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:228545
Authorizer:J. Wolfe Enterer:A. Lynch
Created:2022-12-12 16:55:16 Last modified:2025-02-22 15:12:02
Access level:the public Released:2022-12-12 16:55:16
Creative Commons license:CC0
Reference information

Primary reference:
32674. J. A. Todd and J. S. H. Collins. 2005. Neogene and Quaternary crabs (Crustacea, Decapoda) collected from Costa Rica and Panama by members of the Panama Paleontology Project. Bulletin of the Mizunami Fossil Museum 32:53-85 [A. Hendy/A. Hendy]