Geisonoceras community, Denley Ls. (lower Trenton Group): Chatfieldian, New York
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Conodonta
- Protopanderodontida
- Drepanoistodontidae
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Drepanoistodus suberectus
(Branson and Mehl 1933)
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| 2 species | ||||||||||
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Conodonta
- Protopanderodontida
- Protopanderodontidae
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Scolopodus sp.
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Conodonta
- Distacodidae
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Distacodus falcatus
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Conodonta
- Ozarkodinida
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Periodon grandis
(Ethington 1959)
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Conodonta
- Prioniodontida
- Balognathidae
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Icriodella superba
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Amorphognathus tvaerensis
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Conodonta
- Prioniodontida
- Oistodontidae
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Oistodus venustatus
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Conodonta
- Prioniodontida
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Phragmodus undatus
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Conodonta
- Belodellida
- Dapsilodontidae
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Acodus mutatus
(Branson and Mehl 1933)
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| recombined as Dapsilodus mutatus | ||||||||||
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Soluta
- Dendrocystitida
- Dendrocystitidae
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Dendrocystites sp.
Barrande 1887
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Crinoidea
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Lichenocrinus sp.
Hall 1866
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Crinoidea
- Homocrinida
- Cincinnaticrinidae
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Cincinnaticrinus varibrachialis
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Crinoidea
- Heterocrinidae
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Heterocrinus sp.
Hall 1872
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Crinoidea
- Merocrinidae
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Merocrinus sp.
Walcott 1884
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| 2 species | ||||||||||
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Stenolaemata
- Cystoporata
- Ceramoporidae
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Spatiopora sp.
Ulrich 1882
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Stenolaemata
- Cryptostomata
- Escharoporidae
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Graptodictya sp.
Ulrich 1882
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Stenolaemata
- Cryptostomata
- Rhinidictyidae
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Stictopora blackensis
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Pachydictya acuta
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Stenolaemata
- Cyclostomata
- Stomatoporidae
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Stomatopora arachnoidea
(Hall 1847)
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Stenolaemata
- Trepostomata
- Heterotrypidae
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Dekayia sp.
Milne-Edwards and Haime 1851
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Stenolaemata
- Trepostomata
- Batostomellidae
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Bythopora sp.
Miller and Dyer 1878
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Stenolaemata
- Trepostomata
- Aisenvergiidae
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Newportopora typicalis
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Eridotrypa sp.
Ulrich 1893
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2 %-specimens | |||||||||
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Stenolaemata
- Trepostomida
- Amplexoporidae
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Amplexopora minnesotensis
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1 %-specimens | |||||||||
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Stenolaemata
- Trepostomida
- Monticuliporidae
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Prasopora simulatrix
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6 %-specimens | |||||||||
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unclassified
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Brachiopoda indet.
Cuvier 1805
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| [Paucicrura rugata] | ||||||||||
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Rhynchonellata
- Orthida
- Dalmanellidae
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Paucicrura rogata
(Sardeson 1892)
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44 %-specimens | |||||||||
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Strophomenata
- Strophomenida
- Sowerbyellidae
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Sowerbyella sericea
(Sowerby 1839)
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| recombined as Sowerbyella (Sowerbyella) sericea | ||||||||||
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Strophomenata
- Strophomenida
- Rafinesquinidae
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Rafinesquina trentonensis
(Hall 1847)
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2 %-specimens | |||||||||
| 2 species | ||||||||||
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Lingulata
- Lingulida
- Trematidae
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Schizocrania filosa
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Lingulata
- Lingulida
- Obolidae
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Lingula reciniformis
(Hall 1847)
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| recombined as Glossina riciniformis | ||||||||||
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Bivalvia
- Solemyida
- Ctenodontidae
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Ctenodonta levata
Raymond 1902
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| synonym of Ctenodonta peracuta | ||||||||||
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Cephalopoda
- Oncocerida
- Oncoceratidae
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Cyrtorizoceras sp.
Hyatt 1900
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Oncoceras contrictum
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Cephalopoda
- Tarphycerida
- Trocholitidae
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Trocholites ammonius
Conrad 1838
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Cephalopoda
- Dissidocerida
- Geisonoceratidae
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Orthoceras amplicameratum
Hall 1847
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| recombined as Ordogeisonoceras amplicameratum | ||||||||||
| "Orthoceras" amplicameratum | ||||||||||
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Geisonoceras lineolatus
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| 3 species | ||||||||||
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Geisonoceras tenuistriatum
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Geisonoceras tenuitextrum
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Cephalopoda
- Endocerida
- Endoceratidae
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Endoceras proteiforme
Hall 1847
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Cameroceras ? trentonensis
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Gastropoda
- Bellerophontida
- Sinuitidae
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Sinuites bilobatus
(de Sowerby and Murchison 1839)
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1 %-specimens | |||||||||
| Sinuites bilobatus corrugatus | ||||||||||
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= Sinuites corrugatus
Hall 1847
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Wagner 2020 | |||||||||
| synonym of Sinuites cancellatus | ||||||||||
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Trilobita
- Asaphida
- Asaphidae
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Isotelus gigas
(Dekay 1824)
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| recombined as Asaphus gigas | ||||||||||
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Trilobita
- Phacopida
- Calymenidae
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Flexicalymene senaria
(Conrad 1841)
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12 %-specimens | |||||||||
| recombined as Flexicalymene (Flexicalymene) senaria | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | New York |
| Coordinates: | 43.2° North, 75.5° West (view map) | ||
| Paleocoordinates: | 27.4° South, 53.4° West | ||
| Basis of coordinate: | based on political unit |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| 10 m.y. bin: | Ordovician 4-5 | ||
| *Period: | Middle Ordovician | *Local age/stage: | Trenton |
| Key time interval: | Chatfieldian | ||
| Age range of interval: | 453.70000 - 451.10000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Denley Limestone | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: "M. Ord. (Trenton)." PJW: M5-M6. | |||||
Lithology and environment
| Primary lithology: | "carbonate" | ||
| Environment: | marine indet. | Tectonic setting: | passive margin |
| Geology comments: "Carbonate. BA5: "Deep water" (deeper than Trematis community) stable shelf" | |||
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | paleoecologic analysis |
| Taxonomic list comments:"Titus and Cameron, 1976. Titus 1982" | |
Metadata
| Database number: | 337 | ||
| Authorizer: | J. Sepkoski, P. Wagner | Enterer: | M. Sommers, P. Wagner |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Collections that are a subset of this one: | |||
| Created: | 1998-11-20 10:07:18 | Last modified: | 2018-08-28 22:21:22 |
| Access level: | the public | Released: | 1998-11-20 10:07:18 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 61112. | R. Titus. 1982. Fossil Communities of the Middle Trenton Group (Ordovician) of New York State. Journal of Paleontology 56:477-485 [M. Uhen/J. Ju/M. Uhen] |
Secondary references:
| 25788 | R. Titus and B. Cameron. 1976. Fossil communities of the lower Trenton Group (Middle Ordovician) of central and northwestern New York State. Journal of Paleontology 50:1209-1225 [P. Novack-Gottshall/P. Hearn] | |
| 65064 | P. Wagner. 2020. Subspecies kluges: a pointless taxonomic database to create species opinions for subspecies that then will be over-ruled and allow subspecies occurrences to be recognized as the subspecies rather than the parent species. [P. Wagner/P. Wagner/P. Wagner] |