GS 1227 - Aorere Group, Mount Peel (Ordovician of New Zealand)

Where: New Zealand (41.1° S, 172.6° E: paleocoordinates 12.0° N, 171.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Peel Formation (Golden Bay Group), Gisbornian (458.4 - 452.7 Ma)

• LITHOSTRATIGRAPHY: Upper Aorere Series=group of Henderson et al. (1959). AGE: Middle Gisbornian=Stage 5, Late Ordovician. Now Peel Formation (PJW).

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified shale and lithified sandstone

• ENVIRONMENT: Environmental data not reported in text.
• SPECIFIC LITHOLOGY: Interbeded slates, quartzites, and sandstones. LITHIFICATION: Assumed to be lithified as rocky types are slightly metamorphosed (e.g. slates).

Size class: macrofossils

Reposited in the IGNS

• COLLECTOR: Originally collected by E.O. MacPherson; re-collected by S.K. Swarko and A. Wodzicki, 1958. REPOSITORY: New Zealand Geological Survey (now GNS Science), Lower Hutt, New Zealand.

Primary reference: S. K. Skwarko. 1962. Graptolites of Cobb River-Mount Arthur Area, North-West Nelson, New Zealand. Transactions of the Royal Society of New Zealand 1(15):215-247 [A. Miller/A. Hendy/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 63956: authorized by Austin Hendy, entered by Austin Hendy on 28.08.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• COMPLETENESS: Exhaustive for graptolites, trilobites and hydroids. NOMENCLATURE: Probably somewhat outdated, but from an authoritative publication and identified by a specialist.
Show authors, comments, and common names
Pterobranchia
 Graptoloidea - Dichograptidae
Dichograptidae indet., "Azygograptus cf. fasciculatus" = Nicholsonograptus fasciculatus
Dichograptidae indet. Lapworth 1873 graptolite
"Azygograptus cf. fasciculatus" = Nicholsonograptus fasciculatus Nicholson 1869 graptolite
Includes subspecies: A. cf. fasciculatus attenuatus
 Graptoloidea - Abrograptidae
"Retiograptus geinitzianus" = Reteograptus geinitzianus
"Retiograptus geinitzianus" = Reteograptus geinitzianus Hall 1859 graptolite
 Graptoloidea - Climacograptidae
Climacograptus sp.
Climacograptus sp. Hall 1865 climacograptid
 Graptoloidea - Diplograptidae
Amplexograptus confertus, Diplograptus cf. spiculatus, Diplograptus sp.
Diplograptus sp. graptolite
 Graptoloidea - Dicranograptidae
Dicellograptus cf. vagus, Dicellograptus sp., Dicellograptus cf. forchammeri, Dicellograptus cf. intortus, Dicellograptus cf. moffatensis, Dicellograptus cf. caduceus, Dicellograptus cf. divaricatus, Dicellograptus cf. sextans, Dicranograptus nicholsoni
Dicellograptus sp. Hopkinson 1871 graptolite
Dicellograptus cf. caduceus Lapworth and Wood 1876 graptolite
Dicellograptus cf. divaricatus Hall 1859 graptolite
Dicellograptus cf. sextans Hall 1843 graptolite
Dicranograptus nicholsoni Hopkinson 1870 graptolite
 Graptoloidea - Glossograptidae
Glossograptus hincksii
Glossograptus hincksii Hopkinson 1872 graptolite
 Graptoloidea - Mastigograptidae
"Archaeolafoea serialis" = Mastigograptus serialis
"Archaeolafoea serialis" = Mastigograptus serialis Chapman and Thomas 1936 graptolite