USNM Loc. 25 Parkers Cobble (Cambrian of the United States)

Where: Franklin County, Vermont (44.7° N, 73.2° W: paleocoordinates 33.6° S, 85.3° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Lower Member (Parker Slate Formation), Dyeran (515.3 - 511.2 Ma)

• Lower Parker Slate, upper Lower Cambrian

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified shale

Size class: macrofossils

Preservation: mold/impression

Primary reference: J. K. Rigby. 1987. Early Cambrian sponges from Vermont and Pennsylvania, the only ones described from North America. Journal of Paleontology 61(3):451-461 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 121235: authorized by Wolfgang Kiessling, entered by Uta Merkel on 01.12.2011, edited by Pete Wagner and Phil Novack-Gottshall

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Orthida - Bohemiellidae
? Wimanella orientalis3
USNM Loc. 319g
Kutorginata
 Kutorginida - Nisusiidae
Nisusia transversa3
USNM Loc. 25
 Tuzoida - Tuzoiidae
"Tuzoia vermontensis n. sp." = Tuzoia polleni2
"Tuzoia vermontensis n. sp." = Tuzoia polleni2 Resser 1929
USNM Loc. 25
Protocaris
  -
Protocaris marshi3 Walcott 1884
USNM Loc. 25
Artiopoda
 Agnostida - Eodiscidae
Trilobita
 Corynexochida - Dorypygidae
Bonnia bubaris3 Walcott 1916 trilobite
Protypus hitchcocki3 Whitfield 1884 trilobite
USNM Loc. 319m
Kootenia marcoui3 trilobite
USNM Loc. 319m & USNM Loc. 25
 Redlichiida - Chengkouaspididae
Bathynotus holopygus3 Hall 1859 trilobite
USNM Loc. 25
 Redlichiida - Olenellidae
Olenellus thompsoni3, Olenellus georgiensis n. sp.2, Olenellus crassimarginatus n. sp.2, "Paedeumias transitans" = Paedeumias transitans2, "Olenellus transitans" = Paedeumias transitans1, "Paedeumias perkinsi n. sp." = Paedeumias transitans2, Olenellus agellus n. sp.2, "Olenellus vermontanus n. sp." = Mesonacis vermontanus3
Olenellus thompsoni3 Hall 1859 trilobite
USNM Loc. 319m and 25
Olenellus georgiensis n. sp.2 Resser and Howell 1938 trilobite
USNM Loc. 25
Olenellus crassimarginatus n. sp.2 Walcott 1910 trilobite
USNM Loc. 25
"Paedeumias transitans" = Paedeumias transitans2 Walcott 1910 trilobite
USNM Loc. 25
"Olenellus transitans" = Paedeumias transitans1 Walcott 1910 trilobite
USNM Loc. 319m
"Paedeumias perkinsi n. sp." = Paedeumias transitans2 Walcott 1910 trilobite
USNM Loc. 25
Olenellus agellus n. sp.2 Resser and Howell 1938 trilobite
USNM Loc. 25
"Olenellus vermontanus n. sp." = Mesonacis vermontanus3 Hall 1859 trilobite
USNM Loc. 25
 Radiodonta - Anomalocarididae
? Anomalocaris emmonsi3 Resser and Howell 1938
USNM Loc. 25
Hexactinellida
 Reticulosa - Protospongiidae
Protospongia hicksi Hinde 1887 glass sponge
Demospongiae
 Protomonaxonida - Leptomitidae
Leptomitus zitteli Walcott 1886 demosponge
USNM Loc. 25
Emmonsaspis cambriensis
  -
Emmonsaspis cambriensis3 Walcott 1891
USNM Loc. 25