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
Eupatagus sp., Macropneustes sp., Plagiobrissus sp., Plagiobrissus curvus, Brissopsis sp.
Eupatagus sp. Agassiz 1847 heart urchin
Includes 4 unlisted species of Eupatagus
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
 Spatangoida - Hemiasteridae
Ditremaster sp.
Ditremaster sp. heart urchin
 Spatangoida - Schizasteridae
Schizaster sp., Agassizia sp.
Schizaster sp. Agassiz 1835 heart urchin
Includes 3 unlisted species of Schizaster
Agassizia sp. Valenciennes 1846 heart urchin
Includes 2 unlisted species of Agassizia
 Echinoneoida - Echinoneidae
Amblypygus sp.
Amblypygus sp. Agassiz 1840 sea urchin
 Cassiduloida - Neolampadidae
Eurhodia sp.
Eurhodia sp. sea urchin
Includes 2 unlisted species of Eurhodia
 Cassiduloida - Cassidulidae
Rhyncholampas sp.
Rhyncholampas sp. Agassiz 1869 sea urchin
Includes 3 unlisted species of Rhyncholampas
 Echinolampadoida - Echinolampadidae
Echinolampas sp.
Echinolampas sp. Gray 1825 sea urchin
 Clypeasteroida - Oligopygidae
Oligopygus wetherbyi, "Oligopygus haldemani" = Oligopygus haldermani
Oligopygus wetherbyi de Lortiol 1887 sand dollar
"Oligopygus haldemani" = Oligopygus haldermani Conrad 1850 sand dollar
 Clypeasteroida - Neolaganidae
Wythella sp., Durhamella sp., Neolaganum sp., Weisbordella sp.
Wythella sp. Durham 1954 sand dollar
Durhamella sp. Kier 1968 sand dollar
Includes 2 unlisted species of Durhamella
Neolaganum sp. Durham 1954 sand dollar
Includes 2 unlisted species of Neolaganum
Weisbordella sp. Durham 1954 sand dollar
Includes 2 unlisted species of Weisbordella
 Clypeasteroida - Protoscutellidae
Mortonella sp.
Mortonella sp. Pomel 1883 sand dollar
 Clypeasteroida - Fibulariidae
"Fibularia vaughani" = Echinocyamus vaughani
"Fibularia vaughani" = Echinocyamus vaughani Clark and Twitchell 1915 sand dollar
 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