APAC Shell Pit ( of the United States)

Also known as MacAsphalt Shell Pit; Newburn Pit; Warren Brothers Pit

Where: Sarasota County, Florida (27.4° N, 82.5° W: paleocoordinates 27.4° N, 81.8° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Pinecrest Beds Member (Tamiami Formation), Blancan (4.9 - 1.8 Ma)

• most material is from a single 10 - 60 cm thick layer

• bed-level stratigraphic resolution

Environment/lithology: estuary or bay; shelly/skeletal, black, gray sandstone

• "quiet, shallow-water, estuarine assemblage... a river in the near vicinity"
• "dark brown to blackish sandy organic layer" (Morgan and Ridgway 1987) or "abundant Rangia sp. valves interspersed with a matrix of black-to-dark gray sand" (Hulbert 1988)

Size class: macrofossils

Primary reference: G. S. Morgan and R. B. Ridgway. 1987. Late Pliocene (late Blancan) vertebrates from the St. Petersburg Times site, Pinellas County, Florida, with a brief review of Florida Blancan faunas. Papers in Florida Paleontology 1:1-22 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 19753: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Mark Uhen, Richard Hulbert and Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• correlated to lower Matuyama chron (R) on basis of reversed sediments, ostracod biostrat, and Sr isotope dating

•said to include 23 land-mammal taxa, but only 19 are reported - insectivores are missing?

Gnathostomata
  -
Chondrichthyes indet.3 Huxley 1880 cartilaginous fish
Actinopteri
 Acanthomorphata - Centropomidae
Centropomus sp.3 Lacépède 1802
 Lepisosteiformes - Lepisosteidae
Lepisosteus sp.3 Agassiz 1843 gar
Osteichthyes
 Salientia - Ranidae
Rana sp.3 Linnaeus 1758 frog
 Caudata - Urodela
Siren sp. Linnaeus 1766 siren
Reptilia
 Testudines - Panchelydridae
"Macroclemys temmincki" = Macrochelys temminckii3
"Macroclemys temmincki" = Macrochelys temminckii3 Troost 1835 Alligator snapping turtle
 Testudines - Pantestudinidae
Geochelone sp.3 Fitzinger 1835 turtle
 Testudines - Panemydidae
Aves
 Charadriiformes - Scolopacidae
Scolopacidae indet.2 Rafinesque 1815 snipe
Limnodromus sp.2 Wied-Neuwied 1833 dowitcher
"Actitis macularia" = Actitis macularius2 Linnaeus 1766 spotted sandpiper
Gallinago sp.2 Brisson 1760 snipe
Tringa sp.2 Linnaeus 1758 snipe
Scolopax sp.2 Linnaeus 1758 snipe
 Charadriiformes - Recurvirostridae
Himantopus sp.2 Brisson 1760 shorebird
 Cathartiformes - Cathartidae
cf. Gymnogyps sp.2 Lesson 1842 New World vulture
 Galliformes - Phasianidae
Meleagris sp.2 Linnaeus 1758 turkey
 Anseriformes - Anatidae
Oxyura hulberti n. sp.2 Emslie 1992 waterfowl
"Anas cf. americana" = Mareca americana2 Gmelin 1789 American wigeon
Anserinae indet.2 Vigors 1825 goose
Branta canadensis2 Linnaeus 1758 Canada goose
"Anas discors" = Spatula discors2 Linnaeus 1766 blue-winged teal
"Anas cf. cyanoptera" = Spatula cyanoptera2 Viellot 1816 cinnamon teal
"Anas cf. clypeata" = Spatula clypeata2 Linnaeus 1758 northern shoveler
Dendrocygna sp.2 Swinson 1837 waterfowl
Helonetta brodkorbi n. gen. n. sp.2 Emslie 1992 duck
Mergus merganser2 Linnaeus 1758 common merganser
or could be M. serrator
Bucephala cf. albeola2 Linnaeus 1758 bufflehead
Aythya collaris2 Donovan 1809 ring-necked duck
or could be A. affinis
Aythya valisineria2 Wilson 1814 canvasback
or could be A. americana
Anas cf. crecca2 Linnaeus 1758 Eurasian teal
Anabernicula gracilenta2 Ross 1935 dabbling duck
 Ornithurae -
Passeriformes indet.2 Linnaeus 1758 perching bird
 Passeriformes - Icteridae
Icteridae indet.2 Vigors 1825 perching bird
cf. Agelaius phoeniceus2 Linnaeus 1766 red-winged blackbird
 Gruiformes - Gruidae
"Grus canadensis" = Antigone canadensis2
"Grus canadensis" = Antigone canadensis2 Linnaeus 1758 sandhill crane
 Gruiformes - Rallidae
Laterallus sp.2 Bonaparte 1854 rail
Gallinula sp.2 Brisson 1760 moorhen
Rallus sp.2 Linnaeus 1758 rail
two sizes represented, informally designated species A and B
Rallus longirostris2 Boddaert 1783 mangrove rail
or could be Rallus elegans
Rallus limicola2 Vieillot 1819 Virginia rail
Fulica cf. americana2 Gmelin 1789 American coot
"Porphyrula sp." = Porphyrio2 Brisson 1760 rail
 Podicipediformes - Podicipedidae
Podilymbus podiceps2 Linnaeus 1758 pied-billed grebe
 Pelecaniformes - Ardeidae
Nyctanassa violacea2 Linnaeus 1758 yellow-crowned night heron
Egretta sp.2 Forster 1817 egret
Ixobrychus exilis2 Gmelin 1789 least bittern
Ardea sp.2 Linnaeus 1758 heron
Botaurus sp.2 Stephens 1819 heron
smaller than B. lentiginosus, about right size for B. hibbardi from Rexroad
Botaurus lentiginosus2 Rackett 1813 American bittern
 Pelecaniformes - Threskiornithidae
Eudocimus sp.2 Wagler 1832 ibis
 Ciconiiformes - Ciconiidae
Ciconia maltha2 Miller 1910 asphalt stork
 Phoenicopteriformes - Phoenicopteridae
Phoenicopterus sp.2 Linnaeus 1758 flamingo
 Accipitriformes - Accipitridae
Spizaetus sp.2 Vieillot 1816 hawk-eagle
 Suliformes - Phalacrocoracidae
Phalacrocorax sp.2 Brisson 1760 cormorant
Reptilia
 Crocodylia - Alligatoridae
Alligator sp. Daudin 1809 alligator
 Squamata - Colubridae
Nerodia sp. Baird and Girard 1853 water snake
Mammalia
 Rodentia - Cricetidae
"Sigmodon medius" = Sigmodon minor
"Sigmodon medius" = Sigmodon minor Gidley 1922 cotton rat
 Rodentia - Geomyidae
Orthogeomys cf. propinetis1 Wilkins 1984 pocket gopher
 Rodentia - Hydrochoeridae
"Neochoerus dichroplax" = Phugatherium dichroplax
"Neochoerus dichroplax" = Phugatherium dichroplax Ahearn and Lance 1980 caviomorph
 Lagomorpha - Leporidae
Sylvilagus webbi9 White 1991 cottontail rabbit
 Perissodactyla - Equidae
"Hippotherium emsliei" = Cormohipparion emsliei3 Hulbert 1988 hipparionine horse
Nannippus peninsulatus Cope 1885 hipparionine horse
Equus sp. Linnaeus 1758 horse
 Carnivora - Procyonidae
Procyon sp. Storr 1780 raccoon
 Carnivora - Odobenidae
Ontocetus emmonsi5 Leidy 1859 walrus
 Carnivora - Mustelidae
Trigonictis macrodon Cope 1868 mustelid carnivore
 Carnivora - Canidae
Theriodictis ? floridanus7 Tedford et al. 2009 canine
 Carnivora - Felidae
Lynx sp.6 Kerr 1792 lynx
 Cingulata - Dasypodidae
Dasypus bellus Simpson 1929 beautiful armadillo
 Cingulata - Pampatheriidae
Holmesina floridanus Robertson 1976 edentate
 Xenarthra - Megalonychidae
Megalonyx leptostomus Cope 1893 edentate
 Xenarthra - Mylodontidae
Glossotherium chapadmalense Kraglievich 1925 edentate
 Proboscidea - Gomphotheriidae
Cuvieronius sp.8 Osborn 1923 gomphothere
 Chiroptera - Molossidae
Tadarida sp. Rafinesque 1814 free-tailed bat
a bat
 Ungulata - Tayassuidae
Platygonus bicalcaratus Cope 1893 peccary
Mylohyus floridanus Kinsey 1974 peccary
 Ungulata - Camelidae
Hemiauchenia macrocephala1 Cope 1893 camel
 Ungulata - Bovidae
Bovinae indet.4 Gray 1821 antelope
 Ungulata - Cervidae
Odocoileus virginianus6 Zimmermann 1780 white-tailed deer