Newlands (Silurian of the United Kingdom)

Where: Scotland, United Kingdom (55.3° N, 4.7° W: paleocoordinates 15.2° S, 23.2° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Monograptus gregarius graptolite zone, Newlands Farm Formation, Aeronian (440.8 - 438.5 Ma)

Environment/lithology: marine; lithified, gray, blue, calcareous siltstone and lithified sandstone

• Newlands Farm Formation: ochreous-weathering, blue-grey calcareous siltstones and thin sandstones [Floyd and Williams 2003, Trans Roy Soc Edin 93: 383-392]

Size class: macrofossils

Preservation: mold/impression

Collected by Elizabeth Gray in ~1850-1920; reposited in the BMNH, OUM, SM

• Collections also in Hunterian Museum (Glasgow University), Birmingham University, Grant Institute of Geology (Edinburgh University), Institute of Geological Sciences (Edinburgh), Palaeontologisk Museum (Oslo), National Museum of Wales, Royal Scottish Museum

Primary reference: Y. Howells. 1982. Scottish Silurian trilobites. Monograph of the Palaeontographical Society 135(561):1-70 [M. Hopkins/M. Hopkins]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 188535: authorized by Melanie Hopkins, entered by Melanie Hopkins on 06.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Proetida - Aulacopleuridae
 Proetida - Proetidae
Astroproetus interjectus Reed 1935 trilobite
 Proetida - Tropidocoryphidae
Decoroproetus farragatus n. sp. Howells 1982 trilobite
 Corynexochida - Illaenidae
Stenopareia glochin n. sp. Howells 1982 trilobite
 Corynexochida - Styginidae
Opsypharus maccallumi Salter 1867 trilobite
 Odontopleurida - Odontopleuridae
Ceratocephala sp. Warder 1838 trilobite
Leonaspis "sp. C" Richter and Richter 1917 trilobite
"Leonaspis cf. varbolensis" = Exallaspis varbolensis Bruton 1967 trilobite
 Lichida - Lichidae
Hemiarges serus trilobite
Hemiarges "sp. A" Gürich 1901 trilobite
hypostome type A
Dicranopeltis sp. Hawle and Corda 1847 trilobite
 Phacopida - Calymenidae
Calymene ubitquitosus Howells 1982 trilobite
 Phacopida - Phacopidae
Acernaspis superciliexcelsis n. sp. Howells 1982 trilobite
 Phacopida - Cheiruridae
Deiphon sp. Barrande 1846 trilobite
Hadromeros elongatus Reed 1931 trilobite
 Phacopida - Encrinuridae
Encrinurus squarrosus n. sp. Howells 1982 trilobite