Fossil type
Where to find graptolites
Graptolites are extinct colonial hemichordates that drifted in Paleozoic oceans. They preserve as flattened carbonaceous compressions in dark shales — visually like pencil marks on rock. The Welsh Borderlands and the Yukon's Ogilvie Mountains are textbook collecting areas.
6 fossil sites

Abereiddy Bay Fossil Hunting Guide
principally Didymograptus murchisoni (tuning-fork graptolite)
Graptolites, Trilobite, Abereiddy Formation, Pembrokeshire Coast National Park

Dobs Linn Scottish Borders Fossil Hunting Guide
United Kingdom
Graptolites

Draa Valley Ordovician Trilobite Site Agdz Fossil Hunting Guide
Morocco
Draa Valley Ordovician Trilobite Site, Giant trilobites, Brachiopods, Graptolite fragments

Druidston Haven Pembrokeshire Fossil Hunting Guide
United Kingdom
Graptolites, diplograptids, plant fossil impressions

Ouzina Ordovician Graptolite Locality Fossil Hunting Guide
Morocco
graptolite fossils, Graptolites, Trilobites, Brachiopods

Stockdale Silurian Yorkshire Dales Fossil Hunting Guide
United Kingdom
Graptolites, Brachiopods, Trilobites, Crinoid columnals