Tag Archive for 'Waukesha Biota'

The Silurian trilobite Waukeshaaspis eatonae, from the Silurian Waukesha Biota of Wisconsin, USA. Image credit: Kenneth Gass, specimen deposited in the University of Wisconsin Geology Museum.

Role Changing of Trilobite Body Parts

Nov 15, 2024 by Kenneth C. Gass & Enrique Alberto Randolfe

A newly-described genus and species of trilobite is a unique example of an animal changing the form and apparent function of one of its morphological features...

Reconstruction of Acheronauta stimulapis. Image credit: Sci.News / Qohelet12 / Bing Image Creator.

Wonderful Early Silurian Life

Sep 29, 2023 by Simon Braddy

The Waukesha Biota, a 437-million-year-old fossil assemblage from Wisconsin, USA, provides a rare glimpse into life in an ancient lagoon. In his book Wonderful...

Reconstruction of Parioscorpio venator. Structures outlined in gray are inferred based on Proscorpius osborni. Structures highlighted with gray infilling are the preserved elements of the pulmonary-cardiovascular system. Image credit: Wendruff et al, doi: 10.1038/s41598-019-56010-z.

Fossils of Earliest Known Scorpion Discovered

Jan 20, 2020 by Enrico de Lazaro

The exceptionally preserved fossils of the oldest species of scorpion ever found have been unearthed in Wisconsin, the United States. Reconstruction of...