Västerhejde's point, Wallacia laevis (Silurian of Sweden)

Where: Gotland, Sweden (57.6° N, 18.2° E: paleocoordinates 21.6° S, 3.0° W)

• coordinate based on political unit

When: Upper Visby Beds Formation, Sheinwoodian (433.4 - 430.5 Ma)

• formation-level stratigraphic resolution

Environment/lithology: deep subtidal ramp; argillaceous lime mudstone

• There are opinions regarding the environment being a shelf and others defending a ramp.

Size class: macrofossils

Primary reference: L. Ramskold and G. D. Edgecombe. 1994. Revision of the Silurian encrinurine trilobite Wallacia Lamont 1978, with species from Gotland and Canada. Paläontologische Zeitschrift 68(1):89-115more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 238663: authorized by Diego Balseiro, entered by Jesús María Dorado on 06.02.2025

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Encrinuridae
Wallacia laevis Angelin 1851 trilobite
Ar55099