Ballast Point [Tampa Limestone] (Oligocene to of the United States)

Where: Hillsborough County, Florida (27.9° N, 82.5° W: paleocoordinates 28.1° N, 77.7° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Tampa Limestone Member (Arcadia Formation), Chattian to Chattian (28.1 - 20.4 Ma)

• LITHOSTRATIGRAPHY: Formerly referred to as the Tampa Limestone. Scott et al. (2001) assign the Tampa to the rank of member and place it in the Arcadia Formation. AGE: Mansfield suggests age equivalencies (based primarily on faunal similarities) with the Chipola Fm., the Trent Marl of North Carolina, and the Anguilla Fm. of Anguilla. Placed here into the Chattian-Aquitanian on the basis of most recent chronostratigraphy.

• member-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, white, sandy, cherty/siliceous limestone

• Sand size quartz grains and an abundance of freshwater molluscs in the Tampa Limestone indicate nearshore deposition.
• The Tampa LS member of the Arcadia Fm. is more quartz sand rich and poorer in calcium carbonate than the underlying Suwannee LS. Fossils are often preserved via silicification and can be found in fully replaced, partially replaced or unaltered states. From several localities, a buff to dirty limestone matrix is reported, speckled with quartz sand grains of medium size.

Size classes: macrofossils, mesofossils

Preservation: cast, mold/impression, permineralized, replaced with silica

Collection methods: Collections made from Ballast Point are noted to be, at least in part, the product of channel dredging activities and come from the the point and the local vicinity. Presumably (although not directly noted) this resulted in float collection.

Primary reference: W. C. Mansfield. 1937. Molluscs of the Tampa and Suwannee Limestones. Geological Bulletin, State of Florida Department of Conservation 15:1-334 [A. Miller/C. Ferguson/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 60985: authorized by Arnold Miller, entered by Chad Ferguson on 28.05.2006, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

• Occurrence based data only
unclassified
  -
Gymnolaemata
 Cheilostomata -
Petaloconchus varians d'Orbigny 1839
Bivalvia
 Nuculanida - Polidevciidae
"Nuculana flexuosa" = Polidevcia flexuosa
"Nuculana flexuosa" = Polidevcia flexuosa Lutkevitch and Lobanova 1960 clam
 Nuculanida - Yoldiidae
 Nuculanida - Nuculanidae
Nuculana posti pointed nut clam
 Nuculida - Nuculidae
Nucula tampae nut clam
 Mytilida - Mytilidae
"Modiolus (Botula) cinnamomeus" = Botula cinnamomeus Lamarck 1819 mussel
Modiolus (Gregariella) minimus Sowerby 1818 mussel
Modiolus grammatus Dall 1898 mussel
Lithophaga nigra d'Orbigny 1845 mussel
Lithophaga antillarum d'Orbigny 1853 mussel
"Lithophaga (Myoforceps) ? aristata" = Lithophaga aristata Dillwyn 1817 mussel
Lithophaga (Diberus) bisulcata d'Orbigny 1853 mussel
 Ostreida - Ostreidae
"Ostrea ? rugifera" = Cubitostrea rugifera, Ostrea vaughani
"Ostrea ? rugifera" = Cubitostrea rugifera Dall 1898 oyster
Ostrea vaughani Dall 1915 oyster
 Pectinida - Plicatulidae
Plicatula densata Conrad 1843 scallop
 Pectinida - Pectinoidae
Spondylus chipolanus, "Chlamys (Plagioctenium) chipolanus" = Argopecten
Spondylus chipolanus Dall 1890 scallop
subspecies tampensis
"Chlamys (Plagioctenium) chipolanus" = Argopecten calico scallop
 Arcida - Glycymerididae
"Glycymeris lamyi" = Tucetona lamyi
"Glycymeris lamyi" = Tucetona lamyi Dall 1915 clam
two distinct occurrences: species lamyi and subspecies tampae
 Arcida - Arcidae
Anadara latidentata, Anadara hypomela, Barbatia (Plagiarca) marylandica, "Barbatia (Acar) domingensis" = Acar domingensis, "Arca (Arca) umbonata" = Lamarcka imbricata, "Barbatia (Plagiarca) arcula" = Plagiarca, Arca (Arca) paratina, Arca (Arca) grammatodonta
Anadara latidentata ark
subspecies: ballista
Anadara hypomela ark
two distinct occurrences: species hypomela and subspecies silicata
"Barbatia (Acar) domingensis" = Acar domingensis Lamarck 1819 miniature ark
"Arca (Arca) umbonata" = Lamarcka imbricata Bruguière 1789 clam
"Barbatia (Plagiarca) arcula" = Plagiarca clam
Arca (Arca) paratina Dall 1898 ark
subspeces: tampae
 Arcida - Noetiidae
Arcopsis ? adamsi Dall 1886 clam
 Carditida - Carditidae
"Venericardia serricosta" = Venericardia (Glyptoactis) serricosta Heilprin 1887 clam
Venericardia nodifera Kellum 1926 clam
 Carditida - Crassatellidae
 Cardiida - Cardiidae
"Cardium (Trachycardium) delphicum" = Trachycardium, "Cardium (Trachycardium) silicatum" = Trachycardium, "Cardium (Trachycardium) phlyctaena" = Trachycardium (Dallocardia) phlyctaena, "Cardium (? Dinocardium) pinellasense" = Dinocardium, "Cardium (Trachycardium) parile" = Nemocardium parile, "Cardium (Trigoniocardia) berberum" = Trigoniocardia, "Cardium (Trigoniocardia) cf. aliculum" = Trigoniocardia (Trigoniocardia) aliculum
"Cardium (Trachycardium) delphicum" = Trachycardium cockle
"Cardium (Trachycardium) silicatum" = Trachycardium cockle
"Cardium (Trachycardium) phlyctaena" = Trachycardium (Dallocardia) phlyctaena Dall 1900 cockle
"Cardium (? Dinocardium) pinellasense" = Dinocardium cockle
"Cardium (Trachycardium) parile" = Nemocardium parile Deshayes 1858 cockle
"Cardium (Trigoniocardia) berberum" = Trigoniocardia cockle
"Cardium (Trigoniocardia) cf. aliculum" = Trigoniocardia (Trigoniocardia) aliculum Dall 1900 cockle
 Cardiida - Semelidae
Semele sardonica Dall 1890 clam
 Cardiida - Tellinidae
Tellina (Tellinella) segregata Dall 1900 tellin clam
"Tellina (Merisca) halidona" = Merisca tellin clam
Macoma irma tellin clam
 Cardiida - Chamidae
Chama hillsboroughensis, "Pseudochama draconis" = Arcinella draconis
"Pseudochama draconis" = Arcinella draconis Dall 1903 jewel box
 Cardiida - Trapezidae
 Cardiida - Cyrenidae
 Cardiida - Veneridae
"Antigona (Artena) glyptoconcha" = Artena, "Antigona (Artena) shepardi" = Artena, Dosina (Dosinidia) chipolana, "Antigona tarquinia" = Periglypta tarquinia, Chione (Liophora) ballista, "Chione (Chamelea) nuciformis" = Chione nuciformis, Venus halidona, Anomalocardia penita, "Chione (Chamelea) rhodia" = Chamelea, Chione (Chamelea) spada, "Macrocallista (Paradione) floridana" = Pitar (Paradione), Callocardia (Agriopoma) nux, Callocardia (Agriopoma) silicata
"Antigona (Artena) glyptoconcha" = Artena venus clam
"Antigona (Artena) shepardi" = Artena venus clam
"Antigona tarquinia" = Periglypta tarquinia Dall 1900 venus clam
"Chione (Chamelea) nuciformis" = Chione nuciformis Heilprin 1887 venus clam
Venus halidona venus clam
"Chione (Chamelea) rhodia" = Chamelea venus clam
Chione (Chamelea) spada Dall 1903 venus clam
"Macrocallista (Paradione) floridana" = Pitar (Paradione) venus clam
 Cardiida - Ungulinidae
"Diplodonta alta" = Diplodonta (Diplodonta) alta Dall 1890 clam
 Cardiida - Erycinidae
 Cardiida - Kelliidae
 Pholadida - Corbulidae
 Lucinida - Lucinidae
"Phacoides (Miltha) hillsboroensis" = Miltha hillsboroensis Heilprin 1887 clam
"Codakia (Jagonia) scurra" = Ctena clam
Phacoides (Lucinisca) silicatus Mansfield 1937 clam
Gastropoda
 Opisthobranchia - Haminoeidae
"? Haminea sulcobasis" = Haminoea
"? Haminea sulcobasis" = Haminoea snail
 Opisthobranchia - Cylichnidae
 Opisthobranchia - Retusidae
 Opisthobranchia - Bullidae
 Heterostropha - Acteonidae
 Stylommatophora - Bulimulidae
"Bulimulus (Hyperaulax) americanus" = Tocobaga americanus Heilprin 1886 slug
three separate occurrances: regular americannus, subspecies patulinus, subspecies laxus
 Stylommatophora - Pupillidae
 Stylommatophora - Polygyridae
 Stylommatophora - Camaenidae
 Stylommatophora - Oleacinidae
? Spiraxis tampae Dall 1915 slug
 Heterostropha - Planorbidae
 Neotaenioglossa - Calyptraeidae
"Crucibulum ? constrictum" = Crucibulum (Dispotaea) constrictum Conrad 1842 slipper shell
Calyptraea (Trochita) aperta2 Solander 1766 slipper shell
 Architaenioglossa - Ampullinidae
 Sorbeoconcha - Assimineidae
 Sorbeoconcha - Amnicolidae
 Sorbeoconcha - Hipponicidae
Hipponix tampensis hoof shell
 Sorbeoconcha - Strombidae
 Sorbeoconcha - Thersiteidae
Orthaulax pugnax Heilprin 1887 snail
Orthaulax inornatus Gabb 1872 snail
 Neogastropoda - Costellariidae
Fusiturricula condominia ribbed mitre
three seperate occurrences: strict condominia, subspecies severina and subspecies silicata
? Fusiturricula aff. servata Conrad 1843 ribbed mitre
Conomitra angulata ribbed mitre
"Vexillum (Uromitra) syrum" = Uromitra ribbed mitre
"Vexillum (Uromitra) myrum" = Uromitra ribbed mitre
 Neogastropoda - Turbinellidae
Vasum subcapitellum, "Vasum engonatum" = Vasum haitensis, "Xancus polygonatus" = Turbinella
"Vasum engonatum" = Vasum haitensis Sowerby 1850 snail
"Xancus polygonatus" = Turbinella snail
 Neogastropoda - Marginellidae
"Marginella (Serrata) mollitor" = Marginella (Eratoidea) mollitor, Marginella (Porcellanella) gregaria, Marginella (Porcellanella) posti, Marginella (Porcellanella) bellula, Marginella (Porcellanella) inepta, Marginella (Porcellanella) infecta, Marginella (Porcellanella) faunula, Marginella (Prunum) ballista, "Marginella (Serrata) newmani" = Serrata, "Marginella (Serrata) elegantula" = Serrata, "Marginella (? Serrata) impagina" = Serrata, "Marginella (Prunum) inntensa" = Prunum, "Marginella (? Prunum) myrina" = Prunum
"Marginella (Serrata) mollitor" = Marginella (Eratoidea) mollitor Dall 1915 margin shell
Marginella (Porcellanella) gregaria margin shell
two distinct occurrences: species gregaria and subspecies silicata
Marginella (Prunum) ballista Dall 1890 margin shell
Two distinct occurrences: species ballista and subspecies tampae
"Marginella (Serrata) newmani" = Serrata margin shell
"Marginella (Serrata) elegantula" = Serrata margin shell
"Marginella (? Serrata) impagina" = Serrata margin shell
"Marginella (Prunum) inntensa" = Prunum margin shell
"Marginella (? Prunum) myrina" = Prunum margin shell
 Neogastropoda - Muricidae
Rapana vaughani Mansfield 1937 murex snail
"Rapana tampaensis" = Ecphora tampaensis Dall 1890 murex snail
Coralliophila magna murex snail
Chicoreus burnsii murex snail
""Muricidea" heilprini" = Poirieria (Panamurex) heilprini Cossmann 1903 murex snail
Murex tritonopsis murex snail
"Typhis siphonifera" = Siphonochelus (Pilsbrytyphis) siphonifera Dall 1915 murex snail
"Eupleura sexangula" = Dermomurex (Viator) sexangulus Dall 1915 murex snail
""Tritonalia" scabrosa" = Purpura (Tritonalia) murex snail
"Chicoreus crispangula" = Murexiella (Murexiella) crispangula Heilprin 1897 murex snail
"Chicoreus larvaecosta" = Murexiella (Murexiella) crispangula Heilprin 1897 murex snail
 Neogastropoda - Volutidae
Lyria heilprini volute
two distinct occurrences: species heilprini and subspecies tampensis
 Neogastropoda - Harpidae
"Morum chipolanum" = Morum (Oniscidia) chipolanum, "Morum cf. chipolanum" = Morum (Oniscidia) chipolanum
"Morum chipolanum" = Morum (Oniscidia) chipolanum Dall 1925 snail
subspecies tampanum
"Morum cf. chipolanum" = Morum (Oniscidia) chipolanum Dall 1925 snail
 Neogastropoda - Cancellariidae
"Cancellaria (Trigonostoma) subthomasiae" = Trigonostoma, Trigonostoma tampaensis1
"Cancellaria (Trigonostoma) subthomasiae" = Trigonostoma snail
Trigonostoma tampaensis1 Petit 1967 snail
 Neogastropoda - Olividae
Ancilla shepardi, "Olivella colleta" = Jaspidella colleta, "Oliva posti" = Oliva (Oliva) posti, "Olivella eutorta" = Omogymna eutorta, Olivella lata
Ancilla shepardi olive snail
"Olivella colleta" = Jaspidella colleta Dall 1915 olive snail
"Oliva posti" = Oliva (Oliva) posti Dall 1915 olive snail
"Olivella eutorta" = Omogymna eutorta Dall 1915 olive snail
Olivella lata olive snail
 Neogastropoda - Drilliidae
 Neogastropoda - Conidae
Conus iliolus cone shell
Conus designatus cone shell
Conus planiceps Heilprin 1887 cone shell
 Neogastropoda - Terebridae
 Neogastropoda - Turridae
Polystira ex gr. albidata turrid
prefix on species was listed as gr. and ex gr. was chosen as the most likely equivalent
 Neogastropoda - Melongenidae
Busycon tampaense whelk
Three distinct occurrences: species tampaense, subspecies ballastense, and subspecies perizonatum
 Neogastropoda - Nassariidae
"Alectrion ethelinda" = Nassarius (Alectrion)
"Alectrion ethelinda" = Nassarius (Alectrion) snail
 Neogastropoda - Columbellidae
 Neogastropoda - Buccinidae
"Phos" ursula true whelk
Cantharus pauper true whelk
 Neogastropoda - Fasciolariidae
 Neogastropoda - Mitridae
 Sorbeoconcha - Xenophoridae
 Sorbeoconcha - Cypraeidae
"Cypraea tumulus" = Zonaria tumulus
"Cypraea tumulus" = Zonaria tumulus Heilprin 1886 cowry
two distinct occurrences: species tumulus and subspecies ballista
 Sorbeoconcha - Vermetidae
Serpulorbis granifera Say 1824 worm shell
 Sorbeoconcha - Naticidae
? Tectonatica floridana, Sinum chipolanum, Sinum imperforatum, "Polinices (? Euspira) hemicryptus" = Euspira
Sinum chipolanum Dall 1892 moon snail
subspecies: silicatum
Sinum imperforatum Dall 1915 moon snail
"Polinices (? Euspira) hemicryptus" = Euspira moon snail
 Sorbeoconcha - Cerithiopsidae
 Pseudomelanoidea - Pseudomelaniidae
 Cerithioidea - Siliquariidae
"Siliquaria tampensis" = Tenagodus
"Siliquaria tampensis" = Tenagodus snail
 Cerithioidea - Turritellidae
Turritella megalobasis turret shell
two distinct occurrences: species megalobasis and subspecies tripartita
Turritella atacta turret shell
Turritella litharia turret shell
Turritella pagodaeformis Heilprin 1887 turret shell
Turritella tampae Heilprin 1887 turret shell
two distinct occurrences: species tampae and subspecies mediconstricta
 Cerithioidea - Batillariidae
"Potamides (Pyrazisinus) cornutus" = Pyrazisinus, "Potamides (Pyrazisinus) acutus" = Pyrazisinus, Potamides (Pyrazisinus) campanulatus
"Potamides (Pyrazisinus) cornutus" = Pyrazisinus snail
"Potamides (Pyrazisinus) acutus" = Pyrazisinus snail
 Cerithioidea - Modulidae
 Cerithioidea - Potamididae
 Cerithioidea - Cerithiidae
Cerithium plectrum cerith snail
Bittium priscum cerith snail
Bittium sora cerith snail
might be a variety of priscum
Bittium adela cerith snail
 Cycloneritida - Helicinidae
Helicina ballista snail
two distinct occurrences: species ballista and subspecies tampae
 Trochoidea - Tegulidae
 Trochoidea - Trochidae
 Trochoidea - Liotiidae
 Trochoidea - Turbinidae
 Trochoidea - Phasianellidae
 Lepetellida - Fissurellidae
Diodora chipolana Dall 1892 snail
 Neritoidea - Neritidae
Cerion
  -
Cerion (Eostrophia) anodonta
two distinct occurrences: species anodonta and subspecies floridanum
 Ichnofossils - Celliformidae
Celliforma nuda Brown 1935