Truro Island - 29.0 meters (Ordovician of Canada)

Where: Nunavut, Canada (75.3° N, 95.1° W: paleocoordinates 4.0° N, 37.6° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Paraorthograptus pacificus graptolite zone, Lower Member (Allen Bay Formation), Richmondian (449.5 - 443.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: mudstone

• laminated mudstone with carbonate interbeds.

Size class: macrofossils

Preservation: cast

Reposited in the GSC

Primary reference: M. J. Melchin. 1987. Upper Ordovician graptolites from the Cape Phillips Formation, Canadian Arctic Islands. Bulletin of the Geological Society of Denmark 35:191-202 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 184436: authorized by Pete Wagner, entered by Pete Wagner on 25.02.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Diplograptoidea - Diplograptidae
"Orthograptus ex gr. amplexicaulis" = Rectograptus amplexicaulis, "Climacograptus latus" = Amplexograptus latus
"Orthograptus ex gr. amplexicaulis" = Rectograptus amplexicaulis Hall 1847 diplograptoid
"Climacograptus latus" = Amplexograptus latus Elles and Wood 1906 diplograptoid
 Graptoloida -
Paraorthograptus pacificus Ruedemann 1947 graptoloid
 Bireclinata -
"Climacograptus supernus" = Appendispinograptus supernus
"Climacograptus supernus" = Appendispinograptus supernus Elles and Wood 1906 climacograptid