marcasite horizon, Ludlowville Formation, marcasite concretion fauna, western NY: Givetian, New York

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Blastoidea - Pentremitida - Hyperoblastidae
Devonoblastus sp. Reimann 1935
rr
Strophomenata - Productida - Productellidae
Productella spinulicosta Hall 1857
recombined as Spinulicosta spinulicosta
r
Strophomenata - Strophomenida - Anopliidae
Chonetes lepidus (Hall 1857)
recombined as Klocinetes lepidus
cc
Strophomenata - Strophomenida - Chonetidae
Chonetes setigerus (Hall 1843)
recombined as Hallinetes setigera
rc
Chonetes scitulus (Hall 1857)
recombined as Devonochonetes scitulus
r
Rhynchonellata - Spiriferida - Mucrospiriferidae
Mucrospirifer mucronatus (Conrad 1841)
c
Rhynchonellata - Spiriferida - Spinocyrtiidae
Brachyspirifer audaculus (Conrad 1842)
recombined as Mediospirifer audaculus
rr
Rhynchonellata - Spiriferida - Ambocoeliidae
Ambocoelia umbonata Conrad 1842
c
Rhynchonellata - Athyridida - Nucleospiridae
Nucleospira concinna (Hall 1843)
original and current combination Atrypa concinna
rr
Rhynchonellata - Athyridida - Athyrididae
Athyris spiriferoides (Eaton 1831)
rr
Hyolithida - Hyolithidae
Hyolithes sp. d'Eichwald 1840
c
Tergomya - Cyrtonellida - Cyrtolitidae
Cyrtolites sp. Conrad 1838
r
Cephalopoda - Goniatitida - Tornoceratidae
Tornoceras sp. Hyatt 1884
rr
Tornoceras uniangulare (Conrad 1842)
cc
Cephalopoda - Orthocerida - Orthoceratidae
Michelinoceras aldenense
c
Cephalopoda - Pseudorthocerida - Spyroceratidae
Spyroceras sp. Hyatt 1884
c
Cephalopoda - Bactritida - Bactritidae
Bactrites sp. Sandberger 1843
r
Gastropoda - Bellerophontida - Bellerophontidae
Bucanopsis leda (Hall 1859)
recombined as Retispira leda
r
Gastropoda - Euomphalina - Platyceratidae
Diaphorostoma lineata (Conrad 1842)
corrected as Platyostoma lineata
r
Gastropoda - Euomphalina
Serpulospira laxus (Hall 1859)
original and current combination Euomphalus luxus
rr
Gastropoda - Murchisoniina - Gosseletinidae
Bembexia sulcomarginata (Conrad 1842)
recombined as Calvibembexia sulcomarginata
rc
Gastropoda - Murchisoniina - Palaeozygopleuridae
Loxonema delphicola Hall 1860
recombined as Palaeozygopleura delphicola
r
Loxonema hamiltoniae Hall 1859
recombined as Palaeozygopleura hamiltoniae
cc
Bivalvia - Nuculanida - Cucullellidae
Nuculites nyassa
rr
Nuculites triqueter
c
Bivalvia - Nuculanida - Malletiidae
Palaeoneilo constricta (Conrad 1842)
r [entered as Palelneilo constricta]
Bivalvia - Nuculida - Nuculidae
Nucula corbuliformis Hall and Whitfield 1869
recombined as Nuculoidea corbuliformis
rc
Bivalvia - Solemyida - Ctenodontidae
Tellinopsis subemarginata
rr
Bivalvia - Cardiida - Kalenteridae
Modiella pygmaea
r
Bivalvia - Grammysiidae
Grammysia arcuata (Conrad 1841)
r
Bivalvia - Myalinida - Lunulacardiidae
Pterochaenia fragilis
cc
Tentaculita - Styliolinida - Styliolinidae
Styliolina fissurella (Hall 1879)
rr
Ostracoda - Hollinocopida - Primitiopsidae
Primitiopsis punctulifera
c
Malacostraca - Archaeostraca
Echinocaris sp.
r
Trilobita - Phacopida - Homalonotidae
Dipleura dekayi Green 1832
rr
Trilobita - Phacopida - Acastidae
Greenops boothi
r
Trilobita - Phacopida - Phacopidae
Phacops rana (Green 1832)
recombined as Eldredgeops rana
c
Anthozoa - Stauriida - Zaphrentidae
Heliophyllum sp. Hall 1846
r
Scyphozoa - Conulariida - Conulariidae
Conularia sp.
rr
unclassified
Plantae indet. Haeckel 1866
rr
see common names

Geography
Country:United States State/province:New York County:Erie/Genesee
Coordinates: 42.9° North, 78.4° West (view map)
Paleocoordinates:36.6° South, 25.9° West
Basis of coordinate:based on political unit
Geographic resolution:local area
Time
Period:Devonian Epoch:Middle Devonian
Stage:Givetian 10 m.y. bin:Devonian 3
*Local age/stage:Erian
Key time interval:Givetian
Age range of interval:387.70000 - 382.70000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Hamilton Formation:Ludlowville Member:Ledyard
Stratigraphic resolution:member
Lithology and environment
Primary lithology:concretionary,pyritic "carbonate"
Lithology description: pyrite concretion horizon
Environment:deep subtidal ramp Tectonic setting:pull-apart basin
Taphonomy
Collection methods and comments
Collection methods:mechanical,field collection
Reason for describing collection:biostratigraphic analysis
Taxonomic list comments:Author does not define relative abundance designations, but I assume they are similar to a rare, common, abundant scale. Values given are: c, r, rc, cc, rr and are recorded in the comments field.
Metadata
Database number:10459
Authorizer:A. Miller Enterer:K. Layou
Modifier:C. Ferguson Research group:marine invertebrate
Created:2001-04-18 09:27:20 Last modified:2004-04-27 18:49:57
Access level:the public Released:2001-04-18 12:04:00
Creative Commons license:CC BY
Reference information

Primary reference:

3859. D. W. Fisher. 1951. Marcasite fauna in the Ludlowville Formation of western New York. Journal of Paleontology 25(3):365-371 [A. Miller/K. Layou]