Crystal River Limestone (Eocene of the United States)

Where: Florida (28.9° N, 82.7° W: paleocoordinates 29.1° N, 75.1° W)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Crystal River Limestone Formation (Ocala Group), Late/Upper Eocene (37.2 - 33.9 Ma)

• Data a composite of Crystal River Formation localities in Florida

Environment/lithology: marine; lithified limestone

• Geology not specified for Crystal River Formation
• Lithologic data not specified for Crystal River Formation

Preservation: mold/impression, midden

Collection methods: Compilation of known taxa from Crystal River Formation in Florida State. Comprises range on unspecified collecting techniques.

Primary reference: C. W. Oyen and R. W. Portell. 2001. Diversity patterns and biostratigraphy of Cenozoic echinodems from Florida. Palaeogeography, Palaeoclimatology, Palaeoecology 166:193-218 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 34992: authorized by Austin Hendy, entered by Austin Hendy on 23.10.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

• Complete checklist of echinoid taxa for Crystal River Formation of Florida. Includes a non-echinoid, Thalassodendron (seagrass)
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Asteroidea
 Valvatida - Goniasteridae
Goniasteridae indet.
Goniasteridae indet. Forbes 1841 sea star
Echinoidea
 Cidaroida - Cidaridae
Phyllacanthus mortoni
Phyllacanthus mortoni Conrad 1850 pencil urchin
 Euechinoidea -
Diadematacea indet.
 Spatangoida - Brissidae
Macropneustes sp., Plagiobrissus sp., Plagiobrissus curvus, Brissopsis sp., Eupatagus sp.
Macropneustes sp. Agassiz 1847 heart urchin
Plagiobrissus sp. Pomel 1883 heart urchin
Plagiobrissus curvus Cooke 1942 heart urchin
Brissopsis sp. Agassiz 1840 heart urchin
Includes 2 unlisted species of Brissopsis
Eupatagus sp. Agassiz 1847 heart urchin
Includes 4 unlisted species of Eupatagus
 Spatangoida - Schizasteridae
Agassizia sp., Schizaster sp.
Agassizia sp. Valenciennes 1846 heart urchin
Includes 2 unlisted species of Agassizia
Schizaster sp. Agassiz 1835 heart urchin
Includes 3 unlisted species of Schizaster
 Spatangoida - Hemiasteridae
Ditremaster sp.
Ditremaster sp. heart urchin
 Clypeasteroida - Neolaganidae
Durhamella sp., Neolaganum sp., Wythella sp., Weisbordella sp.
Durhamella sp. Kier 1968 sand dollar
Includes 2 unlisted species of Durhamella
Neolaganum sp. Durham 1954 sand dollar
Includes 2 unlisted species of Neolaganum
Wythella sp. Durham 1954 sand dollar
Weisbordella sp. Durham 1954 sand dollar
Includes 2 unlisted species of Weisbordella
 Clypeasteroida - Oligopygidae
Oligopygus wetherbyi, "Oligopygus haldemani" = Oligopygus haldermani
Oligopygus wetherbyi de Lortiol 1887 sand dollar
"Oligopygus haldemani" = Oligopygus haldermani Conrad 1850 sand dollar
 Clypeasteroida - Fibulariidae
"Fibularia vaughani" = Echinocyamus vaughani
"Fibularia vaughani" = Echinocyamus vaughani Clark and Twitchell 1915 sand dollar
 Clypeasteroida - Protoscutellidae
Mortonella sp.
Mortonella sp. Pomel 1883 sand dollar
 Cassiduloida - Cassidulidae
Rhyncholampas sp.
Rhyncholampas sp. Agassiz 1869 sea urchin
Includes 3 unlisted species of Rhyncholampas
 Cassiduloida - Neolampadidae
Eurhodia sp.
Eurhodia sp. sea urchin
Includes 2 unlisted species of Eurhodia
 Echinolampadoida - Echinolampadidae
Echinolampas sp.
Echinolampas sp. Gray 1825 sea urchin
 Echinoneoida - Echinoneidae
Amblypygus sp.
Amblypygus sp. Agassiz 1840 sea urchin
 Calycina - Phymosomatidae
Dixieus sp.
Dixieus sp. sea urchin
Crinoidea
  -
Crinoidea indet.
Crinoidea indet. Miller 1821 Sea lily
Angiospermae
 Alismatales - Cymodoceaceae
Thalassodendron sp.
Thalassodendron sp. den Hartog 1970
Seagrass blades