Drainage ditch on the south side of Dudley Road, 70 m west of end of Turner Rd. (Ordovician of the United States)

Where: Maine (46.7° N, 68.2° W: paleocoordinates 24.9° S, 42.7° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Pyle Mountain Argillite Formation, Ashgill (449.5 - 443.7 Ma)

• Underlies Frenchville Formation; overlies Winterville Formation (Climacograptus spiniferus zone).

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal; lithified, fine-grained, green siltstone

• fine-grained, olive-green, noncalcareous argillite in southern exposures, becoming more calcareous gray in northern exposures. It was mapped (Figure 2) on opposite flanks of the Castle

Size class: macrofossils

Preservation: cast, mold/impression

Reposited in the USGS

Primary reference: R. B. Neuman. 1994. Late Ordovician (Ashgill) Foliomena Fauna Brachiopods from Northeastern Maine. Journal of Paleontology 68(6):1218-1234 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 185954: authorized by Pete Wagner, entered by Pete Wagner on 29.05.2017, edited by Melanie Hopkins

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Trepostomea "indet."
Artiopoda
 Agnostida - Sphaeragnostidae
Sphaeragnostus sp.
Sphaeragnostus sp. Cooper and Kindle 1936
 Agnostida - Metagnostidae
Trinodus tardus, Geragnostus sp., Corrugatagnostus sp.
Trinodus tardus Barrande 1846
Geragnostus sp. Howell 1935
Corrugatagnostus sp. Kobayashi 1939
Trilobita
 Phacopida - Encrinuridae
Dindymene whittingtoni, Dindymene whittingtoni n. sp., Staurocephalus cf. clavifrons
Dindymene whittingtoni Owen and Bruton 2012 trilobite
Dindymene whittingtoni n. sp. Owen and Bruton 2012 trilobite
Staurocephalus cf. clavifrons Angelin 1878 trilobite
 Phacopida - Cheiruridae
Cheiruridae indet., Pseudosphaerexochus sp.
Cheiruridae indet. Hawle and Corda 1847 trilobite
Pseudosphaerexochus sp. Schmidt 1881 trilobite
 Phacopida - Dalmanitidae
Dalmanitina sp.
Dalmanitina sp. Reed 1905 trilobite
  -
? Carmon sp.
? Carmon sp. Barrande 1872 trilobite
 Proetida - Telephinidae
Telephina cf. fracta
Telephina cf. fracta Barrande 1852 trilobite
 Proetida - Proetidae
? Ogmocnemis sp.
? Ogmocnemis sp. Kielan 1960 trilobite
 Asaphida - Nileidae
? Nileus sp.
? Nileus sp. Dalman 1827 trilobite
 Asaphida - Cyclopygidae
Cyclopyge quadriangularis, Cyclopyge spp., Cyclopyge aff. marginata, Symphysops sp., Microparia (Heterocyclopyge) sp.
Cyclopyge spp. Hawle and Corda 1847 trilobite
Symphysops sp. Raymond 1925 trilobite
Microparia (Heterocyclopyge) sp. Marek 1961 trilobite
 Asaphida - Asaphidae
Asaphidae indet.
Asaphidae indet. Burmeister 1843 trilobite
 Asaphida - Remopleurididae
"Amphitryon radians" = Amphitryon murchisonii
"Amphitryon radians" = Amphitryon murchisonii Hawle and Corda 1847 trilobite
 Trinucleida - Raphiophoridae
? Raymondella sp., Ampyx sp., Raphiophorus sp., Lonchodomas sp.
? Raymondella sp. Reed 1935 trilobite
Ampyx sp. Dalman 1827 trilobite
Raphiophorus sp. Angelin 1854 trilobite
Lonchodomas sp. Angelin 1854 trilobite
 Trinucleida - Trinucleidae
Novaspis cf. albida, Nankinolithus granulatus, Tretaspis sp.
Nankinolithus granulatus Wahlenberg 1818 trilobite
Tretaspis sp. M'Coy 1849 trilobite
 Trinucleida - Dionididae
Dionide sp.
Dionide sp. Barrande 1847 trilobite
 Lichida - Lichidae
Dicranopeltis sp.
Dicranopeltis sp. Hawle and Corda 1847 trilobite
 Harpetida - Harpetidae
Hibbertia sp.
Hibbertia sp. Jones and Woodward 1899 trilobite
 Corynexochida - Illaenidae
Illaenus sp.
Illaenus sp. Dalman 1827 trilobite
 Corynexochida - Panderiidae
Panderia megalophthalma
Panderia megalophthalma Linnarsson 1869 trilobite
Bivalvia
 Solemyida - Solemyidae
Dystactella "sp. indet."
Dystactella "sp. indet." Hall and Whitfield 1872 Awning Clam
Rhynchonellata
 Protorthida - Skenidiidae
Skenidioides "sp. indet."
Skenidioides "sp. indet." Schuchert and Cooper 1931
 Orthida - Dalmanellidae
Dedzetina "sp. indet.", ? Karlicium "sp. indet."
 Atrypida - Cyclospiridae
? Cyclospira cf. scanica
Strophomenata
 Strophomenida - Foliomenidae
Foliomena folium
Foliomena folium Barrande 1879
 Strophomenida - Glyptomenidae
Paromalomena inequistriata n. sp.
Paromalomena inequistriata n. sp. Neuman 1994
 Strophomenida - Sowerbyellidae
Anisopleurella "sp. indet."
 Strophomenida - Hesperomenidae
? Anoptambonites "sp. indet."
 Strophomenida - Christianiidae
Christiania "sp. indet.", Nubialba forbesi n. gen. n. sp.
Christiania "sp. indet." Hall and Clarke 1892
Nubialba forbesi n. gen. n. sp. Neuman 1994
 Strophomenida - Leptestiidae
Leptestiina cf. prantli
 Strophomenida - Aegiromenidae
Aegiromenidae "genus and species undetermined", ? Aegiromena "sp. indet."
? Aegiromena "sp. indet." Havlícek 1961
Lingulata
 Siphonotretida - Siphonotretidae
? Acanthambonia sp.
? Acanthambonia sp. Cooper 1956
 Lingulida - Discinidae
? Orbiculoidea sp.
? Orbiculoidea sp. d'Orbigny 1847
unclassified
  -
Pelmatozoa "Undetermined stem plates"