Ortona Lock [Belle Glade Mbr, Bermont Fm]: Middle Pleistocene, Florida

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Murexiella glypta Smith 1938
[entered as Murexiella glyptus]
Gastropoda - Batillariidae
Pyrazus scalatus
Gastropoda - Neogastropoda - Fasciolariidae
Fusinus watermani
Fasciolaria okeechobeensis
[entered as Fasciolaria okeechobensis]
Latirus maxwelli
Latirus jucundus McGinty 1940
recombined as Polygona jucunda
Gastropoda - Neogastropoda - Buccinidae
Monostiolum thomasi Olsson 1967
Bailya intricata (Dall 1884)
Gastropoda - Neogastropoda - Melongenidae
Melongena bispinosa (Philippi 1844)
Gastropoda - Neogastropoda - Cancellariidae
Trigonostoma rugosa (Lamarck 1822)
recombined as Bivetopsia rugosa
Gastropoda - Neogastropoda - Turbinellidae
Vasum floridanum
Gastropoda - Neogastropoda - Muricidae
Murex anniae Smith 1940
recombined as Vokesimurex anniae
Murex bellegladeensis Vokes 1963
recombined as Vokesimurex bellegladeensis
Tripterotyphis triangularis (Adams 1855)
recombined as Pterotyphis (Tripterotyphis) triangularis
Murexiella graceae (McGinty 1940)
Gastropoda - Neogastropoda - Harpidae
Morum oniscus (Linnaeaus 1767)
recombined as Morum (Morum) oniscus
Gastropoda - Strombidae
Strombus mayacensis
Gastropoda - Ovulidae
Cyphoma intermedium (Sowerby 1828)
recombined as Pseudocyphoma intermedium
Gastropoda - Cypraeidae
Cypraea cervus Linnaeus 1771
recombined as Macrocypraea cervus
Gastropoda - Tonnidae
Tonna galea (Linnaeus 1758)
Gastropoda - Cassidae
Phalium inflatum
Bivalvia - Arcida - Arcidae
Barbatia tenera (Reeve 1844)
recombined as Fugleria tenera
Anadara aequalis
Bivalvia - Cardiida - Cardiidae
Trachycardium emmonsi
Bivalvia - Cardiida - Semelidae
Semele perlamellosa Heilprin 1887
Bivalvia - Pholadida - Corbulidae
Corbula scutata Gardner 1943
recombined as Juliacorbula scutata
see common names

Geography
Country:United States State/province:Florida County:Palm Beach
Coordinates: 26.8° North, 81.3° West (view map)
Paleocoordinates:26.8° North, 81.3° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Quaternary Epoch:Pleistocene
Stage:Chibanian 10 m.y. bin:Cenozoic 6
Key time interval:Middle Pleistocene
Age range of interval:0.77400 - 0.12900 m.y. ago
Stratigraphy
Formation:Bermont Member:Belle Glade
Stratigraphic resolution:formation
Stratigraphy comments: STRATIGRAPHIC RELATIONS: Presumably from Bermont Formation, formely referred to as the "Glades" unit (McGinty 1970, Hoerle 1970), or Unit A (Olsson 1964), which overlies the Caloosahatchee Fm (Plio-Pleistocene) and underlies the Pleistocene Fort Thompson Fm. THICKNESS: Unknown thickness of unit, or strata from which collection was obtained. AGE: Early Pleistocene. STRATIGRAPHIC POSITION: Unknown position within formation, presumably collection represents the entire unit.
Lithology and environment
Primary lithology:shelly/skeletal unlithified silty marl
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Shell marl and mudstone. LITHIFICATION: Unlithified on the basis of facies description and figured specimens.
Environment:transition zone/lower shoreface
Geology comments: ENVIRONMENT: Similar to those occuring off the ocean side of the Florida Keys . Greater proportion of unit represents soft mud or marl with 1 or 2 fathoms of sea water and large beds of Thalassia or "turtle grass". Sand bars, indicated by vast numbers of Oliva in the deposit, must also have existed, for Oliva would only have lived in such a situation. Rocky or reef bottom would appear to have been restricted, for species which require such an ecological sitiation prove scarce.
Taphonomy
Modes of preservation:body,original aragonite,original calcite
Degree of concentration:concentrated
Size of fossils:macrofossils
Temporal resolution:time-averaged
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:bulk,selective quarrying,surface (float),field collection
Reason for describing collection:general faunal/floral analysis
Museum repositories:FMNH
Collection method comments: COLLECTOR: R.C. Hoerle, S. Hoerle, T.L. McGinty and P. McGinty. REPOSITORY: Probably within private collections, though much of T.L. McGinty's collection is now reposited at FLMNH.
Taxonomic list comments:COVERAGE: Not exhaustive, but listing characteristic forms from this locality. NOMENCLATURE: Not an authoritative publication, but uses fairly modern nomenclature with species-level designations.
Metadata
Database number:67070
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:L. Eccles Research group:GCP,marine invertebrate
Created:2006-11-06 08:35:12 Last modified:2013-11-25 13:37:23
Access level:the public Released:2006-11-06 08:35:12
Creative Commons license:CC BY
Reference information

Primary reference:

19114. T. L. McGinty. 1970. Mollusca of the "Glades" unit in southern Florida: Part I Introduction and observations. Tulane Studies in Geology and Paleontology 8(2):53-56 [A. Hendy/A. Hendy]