Home > North America > Canada > Lakes > Island Lake
Dorsal & Ventral Isotelus platycephalus
Wall Art and Photo Gifts from Mary Evans Picture Library
Dorsal & Ventral Isotelus platycephalus
Syntype (?Holotype by monotypy) of Asaphus, now Isotelus platycephalus (Stokes, 1824) Ordovician, Black River Group; St Josephs Island, Lake Huron, Ontario Bigsby Colln. Date: 1824
Mary Evans Picture Library makes available wonderful images created for people to enjoy over the centuries
Media ID 14238917
© Mary Evans / Natural History Museum
Arthropod Arthropoda Dorsal Extinct Fossil Fossilised North America Ordovician Paleozoic Phanerozoic Prehistoric Prehistory Studioshot Trilobita Trilobite Trilobitomorpha Ventral Invertebrata
FEATURES IN THESE COLLECTIONS
> North America
> Canada
> Lakes
> Island Lake
> North America
> Canada
> Lakes
> Lake Huron
EDITORS COMMENTS
1. Title: "A Glimpse into the Past: Dorsal and Ventral Views of Isotelus platycephalus (Stokes, 1824) - Ordovician Fossil from Lake Huron, Ontario, Canada" 2.. This photograph showcases the dorsal and ventral views of the Ordovician fossil, Isotelus platycephalus, discovered from the Black River Group on St. Joseph's Island, Lake Huron, Ontario, Canada. Dated back to 1824, this extinct arthropod is now classified under the family Asaphidae, order Trilobitomorpha, and class Trilobita. Originally described as Asaphus platycephalus by the English naturalist G.F. Leach under the genus Asaphus, this trilobite was later reclassified as Isotelus platycephalus by William Stokes. 3. The dorsal side of the fossil reveals the distinctive features of the trilobite's exoskeleton, including the cephalon (head), thorax, and pygidium (tail). The cephalon is characterized by a large, flat shield and a pair of large, forward-facing compound eyes. The thorax consists of seven segments, each bearing a pair of legs. The pygidium is broad and flat, with a median keel and lateral lobes. 4. The ventral side of the fossil reveals the pleural and genal sutures, which were crucial in the identification and classification of this trilobite. The pleural sutures are the lines of weakness that allowed the trilobite to fold in half for protection during fossilization. The genal sutures are the lines that separate the cephalon from the thorax. 5. Isotelus platycephalus is an important fossil in the study of prehistoric life, providing valuable insights into the anatomy and evolution of early marine organisms. This photograph serves as a testament to the rich paleontological heritage of Canada and the broader Phanerozoic and Paleozoic eras.
MADE IN AUSTRALIA
Safe Shipping with 30 Day Money Back Guarantee
FREE PERSONALISATION*
We are proud to offer a range of customisation features including Personalised Captions, Color Filters and Picture Zoom Tools
SECURE PAYMENTS
We happily accept a wide range of payment options so you can pay for the things you need in the way that is most convenient for you
* Options may vary by product and licensing agreement. Zoomed Pictures can be adjusted in the Cart.
