Garfield Hills, Lithiotis biostrome (Jurassic to of the United States)

Also known as Reef 3910

Where: Nevada (38.5° N, 118.3° W: paleocoordinates 26.7° N, 54.7° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Dunlap Formation, Pliensbachian to Pliensbachian (190.8 - 174.1 Ma)

• formation-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; gray mixed carbonate-siliciclastic sediments and lithified, lenticular, gray limestone

• Interspersed limestone lenses with large, lenticular beds of angular bioclasts. Chert-rich sandstones and conglomerates found in younger units. Microbial features in siltstone facies above the limestone facies

Size class: macrofossils

Preservation: recrystallized

Collection methods: peel or thin section,

Primary reference: N. M. Fraser, D. J. Bottjer and A. G. Fischer. 2004. Dissecting "Lithiotis" Bivalves: Implications for the Early Jurassic Reef Eclipse. Palaios 19(1):51-67 [W. Kiessling/B. Brenneis/B. Brenneis]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 42429: authorized by Wolfgang Kiessling, entered by Benjamin Brenneis on 29.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Anthozoa
 Scleractinia - Oppelismiliidae
Oppelismilia sp.
Oppelismilia sp. Duncan 1867 stony coral
Opelismilia sp.
Rhynchonellata
 Rhynchonellida - Rhynchonellidae
Rhynchonellidae indet.
 Terebratulida - Terebratulidae
Terebratulidae indet.
Bivalvia
 Mytilida - Mytilidae
Modiolus sp.
Modiolus sp. Lamarck 1801 mussel
 Ostreida - Malleidae
Lithiotis problematica
Lithiotis problematica Gümbel 1871 oyster
 Pectinida - Pectinoidae
Chlamys sp.
Chlamys sp. Röding 1798 scallop
 Pectinida - Neitheoidae
Weyla sp.
Weyla sp. Böhm 1920 scallop
 Pectinida - Entoliidae
Entolium sp.
Entolium sp. Meek 1865 scallop
 Pectinida - Oxytomidae
Meleagrinella sp.
Meleagrinella sp. Whitfield 1855 scallop
 Pectinida - Limidae
Plagiostoma sp., Ctenostreon sp.
Plagiostoma sp. Sowerby 1814 file clam
Ctenostreon sp. Eichwald 1862 file clam
 Carditida - Cardiniidae
Cardinia sp.
Cardinia sp. Agassiz 1841 clam
 Carditida - Astartidae
Astarte sp.
Astarte sp. Sowerby 1816 clam
 Pholadida - Pleuromyidae
Pleuromya sp.
Pleuromya sp. Meek 1873 clam
 Pholadida - Ceratomyidae
Gresslya sp.
Gresslya sp. Agassiz 1843 clam
 Pholadomyida - Pholadomyidae
Goniomya sp., Pholadomya sp.
Goniomya sp. Agassiz 1842 clam
Pholadomya sp. Sowerby 1823 clam
 Trigoniida - Trigoniidae
Trigonia sp.
Trigonia sp. Bruguière 1789 clam
Gastropoda
 Heterostropha - Nerineidae
Nerinea sp.
Nerinea sp. Deshayes 1827 snail