Williams Road on Polish Mountain, 1660: Frasnian, Maryland

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Phacops rana (Green 1832)
    = Trilobita indet.
Wagner 2020
Hendricks 2022 GSA talk!
Gastropoda - Murchisoniina - Palaeozygopleuridae
Loxonema styliolum (Hall 1876)
recombined as Palaeozygopleura styliola
Loxonema hamiltoniae Hall 1859
recombined as Palaeozygopleura hamiltoniae
Loxonema ? glabrum Clarke and Swartz 1913
recombined as Palaeozygopleura glabra
Gastropoda - Murchisoniina - Hormotomidae
Ectomaria marylandica Clarke and Swartz 1913
recombined as Gyrodoma marylandica
Gastropoda - Cyrtoneritida - Orthonychiidae
Orthonychia unguiculata Clarke and Swartz 1913
Gastropoda - Bellerophontida - Bellerophontidae
Bellerophon clarki Clarke and Swartz 1913
Bucanopsis maera (Hall 1876)
recombined as Aglaoglypta maera
Gastropoda - Euomphalina
Cyclonema concinnum (Hall 1876)
recombined as Kitikamispira concinna
Cyclonemina multistriata Clarke and Swartz 1913
recombined as Kitikamispira multistriata
Gastropoda - Euomphalina - Euomphalidae
Straparollus marylandicus Clarke and Swartz 1913
synonym of Philoxene cyclostomus
Gastropoda - Euomphalina - Platyceratidae
Platyceras marylandicum Clarke and Swartz 1913
Bivalvia - Cardiida
Cypricardella tenuistriata (Hall and Whitfield 1869)
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]