Where: Leon County, Florida (30.3° N, 84.2° W: paleocoordinates 30.7° N, 80.5° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: lower Member (Torreya Formation), Hemingfordian (20.4 - 16.0 Ma)
• from five successive beds with thicknessess of 1-2", 12-20", 1-2", 3-4", and 14-16"; the second bed is the "primary vertebrate zone" and the first is "part of primary vertebrate zone"
• group of beds-level stratigraphic resolution
Environment/lithology: estuary or bay; shelly/skeletal, green, yellow sandstone
Size classes: macrofossils, mesofossils
Collected by S. J. Olsen, R. Cantwell, C. Cox
Collection methods: salvage, quarrying,
• "The fossil remains came to light during dragline operations... while making a road cut"
Primary reference: S. J. Olsen. 1964. The stratigraphic importance of a Lower Miocene vertebrate fauna from north Florida. Journal of Paleontology 38(3):477-482 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 18586: authorized by John Alroy, entered by John Alroy on 30.04.1994, edited by Richard Hulbert and Patricia Holroyd
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
Myliobatis sp. Cuvier 1816 eagle ray | |
Pristis sp. Linck 1790 sawfish | |
Carcharhinus sp. de Blainville 1816 requiem shark | |
Actinopteri | |
Pogonias cf. cromis Cope 1869 black drum | |
Reptilia | |
Boidae indet. Gray 1825 boa | |
Aves | |
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Probalearica crataegensis n. sp.4
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Reptilia | |
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Pseudemys sp. Gray 1856 cooter "allied to the living Pseudemys floridana group" (i.e., Pseudemys sensu stricto)
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Mammalia | |
Proheteromys floridanus Wood 1932 rodent | |
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Parahippus leonensis Sellards 1916 anchitheriine horse | |
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Bivalvia | |
cf. Ostrea normalis Gardner 1926 oyster |