Williams Road on Polish Mountain, 1660: Frasnian, Maryland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Phacops rana
(Green 1832)
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= Trilobita indet.
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Wagner 2020 | |||||||||
Hendricks 2022 GSA talk! | ||||||||||
Gastropoda
- Murchisoniina
- Palaeozygopleuridae
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Loxonema styliolum
(Hall 1876)
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recombined as Palaeozygopleura styliola | ||||||||||
Loxonema hamiltoniae
Hall 1859
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recombined as Palaeozygopleura hamiltoniae | ||||||||||
Loxonema ? glabrum
Clarke and Swartz 1913
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recombined as Palaeozygopleura glabra | ||||||||||
Gastropoda
- Murchisoniina
- Hormotomidae
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Ectomaria marylandica
Clarke and Swartz 1913
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recombined as Gyrodoma marylandica | ||||||||||
Gastropoda
- Cyrtoneritida
- Orthonychiidae
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Orthonychia unguiculata
Clarke and Swartz 1913
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Gastropoda
- Bellerophontida
- Bellerophontidae
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Bellerophon clarki
Clarke and Swartz 1913
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Bucanopsis maera
(Hall 1876)
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recombined as Aglaoglypta maera | ||||||||||
Gastropoda
- Euomphalina
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Cyclonema concinnum
(Hall 1876)
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recombined as Kitikamispira concinna | ||||||||||
Cyclonemina multistriata
Clarke and Swartz 1913
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recombined as Kitikamispira multistriata | ||||||||||
Gastropoda
- Euomphalina
- Euomphalidae
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Straparollus marylandicus
Clarke and Swartz 1913
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synonym of Philoxene cyclostomus | ||||||||||
Gastropoda
- Euomphalina
- Platyceratidae
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Platyceras marylandicum
Clarke and Swartz 1913
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Bivalvia
- Cardiida
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Cypricardella tenuistriata
(Hall and Whitfield 1869)
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see common names |
Geography
Country: | United States | State/province: | Maryland | County: | Allegany |
Coordinates: | 39.7° North, 78.8° West (view map) | ||||
Paleocoordinates: | 36.7° South, 27.6° West |
Time
Period: | Devonian | Epoch: | Late/Upper Devonian |
Stage: | Frasnian | 10 m.y. bin: | Devonian 4 |
Key time interval: | Frasnian | ||
Age range of interval: | 382.70000 - 372.20000 m.y. ago |
Stratigraphy
Formation: | Jennings | Member: | Parkhead |
Local section: | Williams Road | Local bed: | 1632-1660 ft |
Local order: | bottom to top | ||
Stratigraphic resolution: | group of beds |
Lithology and environment
Primary lithology: | green "shale" |
Lithology description: Fissile green shale | |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Reason for describing collection: | taxonomic analysis |
Museum repositories: | USNM |
Taxonomic list comments:Atrypa reticularis
Camarotaechia congrcgata contracta Craniella hamiltonia Cyrtina hamiltonensis Productella lachrymosa Schizophoria impressa Spiriler (Delthyris) mesaeostalis Spiriler mareyi superstes Tropidoleptus carinatus Coleolus tenuicinetus Goniophora truncata Liopteria bigsbyi Cypricardella sp. |
Metadata
Database number: | 154838 | ||
Authorizer: | P. Wagner | Enterer: | P. Wagner |
Modifier: | P. Wagner | ||
Created: | 2014-03-15 23:04:04 | Last modified: | 2014-03-15 23:11:44 |
Access level: | the public | Released: | 2014-03-15 23:04:04 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
16267. | C.M. Prosser and E.M. Kindle. 1913. Systematic paleontology of the Middle Devonian deposits of Maryland. Systematic paleontology of the Middle Devonian deposits of Maryland 115-338 [P. Wagner/P. Wagner] |
Secondary references:
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] |