Las Lomas [lower Gatun Fm]: Tortonian, Panama
collected by Landau

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Malacostraca - Decapoda - Callianassidae
Callianassa sp. Leach 1814
Todd and Collins 2005
Malacostraca - Decapoda - Callichiridae
Todd and Collins 2005
Todd and Collins 2005
Malacostraca - Decapoda - Portunidae
Portunidae indet. Rafinesque 1815
Todd and Collins 2005
Euphylax maculatus Collins 2005
Todd and Collins 2005
Malacostraca - Decapoda - Aethridae
Hepatus lineatus Rathbun 1898
Todd and Collins 2005
Malacostraca - Decapoda - Calappidae
Todd and Collins 2005
Gastropoda - Neogastropoda - Cancellariidae
2 specimens
Massyla terryi (Olsson 1942)
12 specimens
Bivetiella dariena (Toula 1908)
27 specimens
6 specimens
Euclia codazzii (Anderson 1929)
9 specimens
8 specimens
7 specimens
10 specimens
Gastropoda - Bursidae
Bursa rugosa (Sowerby 1835)
Beu 2010 1 specimen
Gastropoda - Tonnidae
Malea ringens (Swainson 1822)
Beu 2010 2 specimens
Gastropoda - Cassidae
Beu 2010 1 specimen
Gastropoda - Ranellidae
Turritriton gibbosus (Broderip 1833)
Beu 2010 1 specimen
Monoplex sp. Perry 1811
Beu 2010 1 specimen
Beu 2010 2 specimens
Beu 2010 2 specimens
Gastropoda - Personidae
Distorsio decussata (Valenciennes 1832)
Beu 2010 1 specimen
see common names

Geography
Country:Panama
Coordinates: 9.4° North, 79.8° West (view map)
Paleocoordinates:
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period: Neogene Epoch: Miocene
Stage: Tortonian 10 m.y. bin: Cenozoic 6
Key time interval: Tortonian
Age range of interval: 11.63 - 7.246 m.y. ago
Age estimate: 10.9 Ma (other)
Stratigraphy
Formation:Gatun Member:lower Gatun
Stratigraphic resolution:bed
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Gatun Fm, which regionally overlies the Caimito Fm or Mesozoic basement. AGE: Late Miocene. STRATIGRAPHIC POSITION: From middle member of the Gatun Formatio according to the author; the enterer considers this to be the lower member of the Gatun Formation.
Lithology and environment
Primary lithology:shelly/skeletal unlithified sandy siltstone
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Sandy mudstone. LITHIFICATION: Poorly-lithified, based on observations of material.
Environment:coastal indet.
Geology comments: ENVIRONMENT: Shallow-marine, siliciclastic environment.
Taphonomy
Modes of preservation:body,original aragonite
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some genera,some macrofossils
Collection methods:surface (in situ),field collection
Reason for describing collection:taxonomic analysis
Museum repositories:NHMW
Collectors:Landau
Collection method comments: COLLECTOR: B. Landau. REPOSITORY: NHMW, Vienna.
Taxonomic list comments:COVERAGE: Limited to Cancellariidae in text, and subsequent publications. NOMENCLATURE: Authoritative publication with modern nomenclature and species-resolution identifications.
Metadata
Database number:136005
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2012-11-14 15:42:47 Last modified:2025-02-22 15:12:02
Access level:authorizer only Released:2014-11-14 15:42:47
Creative Commons license:CC0
Reference information

Primary reference:
43491. B. Landau, R. E. Petit, and C. M. Silva. 2012. New Cancellariidae (Mollusca, Gastropoda) from the Miocene Gatun Formation of Panama, with eleven new species. Journal of Paleontology 86(6):907-930 [A. Hendy/A. Hendy]

Secondary references:

30037 A. G. Beu. 2010. Neogene Tonnoidean Gastropods of Tropical and South America; contributions to the Dominican Republic and Panama Paleontology Projects and Uplift of the Central American Isthmus. Bulletins of American Paleontology (377-378)1-550 [A. Hendy/A. Hendy/A. Hendy]
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]