Best Redlichiida
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Middle Cambrian trilobite widespread across Baltica and Avalonia, widely used as a biostratigraphic index fossil for the middle Cambrian Series 3.
Nevadella is a genus of olenellid trilobites from the Early Cambrian of western North America. Fossils assigned to the genus are used in regional biostratigraphy because their occurrence helps paleontologists correlate rock layers of similar age. Like other olenellids, Nevadella had a broad cephalon...
Schmidtiellus is a genus of trilobites known from Lower Cambrian rocks in Estonia and Scandinavia. It belongs to an early phase of trilobite history on the paleocontinent Baltica, and its fossils are used in comparing and dating Cambrian sedimentary sequences in the region. The animal had the segmen...
Paradoxides davidis is a species of large trilobite that lived during the Middle Cambrian period, with fossils primarily found in Wales. It is recognized as one of the earliest trilobite species to be formally described from the British Isles, contributing significantly to early paleontological stud...
Serrodiscus is an extinct genus of small trilobites from the Early Cambrian, known from fossil material found in North America and Europe. It belongs to an early group of these marine arthropods and is recognized through features of its segmented dorsal exoskeleton, including a relatively small body...
Daguinaspis is a genus of early trilobites known from Lower Cambrian rocks in Morocco. It belongs to an archaic group of redlichiid trilobites and is important to paleontologists studying the earliest well-documented diversification of animals with mineralized skeletons. Its fossils contribute evide...
Paradoxides is an extinct genus of large trilobites belonging to the order Redlichiida, existing during the Middle Cambrian period. Serving as a crucial biostratigraphic index fossil, its widespread remains help geologists date marine sedimentary rocks globally. Specimens of this genus are among the...
Early Cambrian trilobite known from Gondwanan localities including Spain and Morocco, characterized by its distinctly ornamented dorsal exoskeleton.
Acadoparadoxides is an extinct genus of large trilobites belonging to the family Paradoxididae, existing during the Middle Cambrian period. As part of the Acado-Atlantic faunal province, its fossil remains are predominantly found in regions such as Morocco and the Iberian Peninsula. The genus is not...
An early Cambrian redlichiid trilobite from South China, among the earliest well-documented trilobites and significant for understanding the initial radiation of the class.
One of the earliest known trilobite genera, from the Early Cambrian of Morocco and North America, critical for understanding the origin of the group.
Cambrian paradoxidid trilobite closely related to Paradoxides, known from Gondwanan terranes and used to trace dispersal of Cambrian pelagic faunas across paleocontinents.
An early Cambrian trilobite found in Moroccan and Iberian deposits, belonging to the paradoxidid-related group and used in Lower Cambrian biostratigraphic correlation of peri-Gondwanan terranes.
An early Cambrian olenellid trilobite from Newfoundland, Canada, namesake of the Callavia biozone and a key marker for lower Cambrian stratigraphy in Laurentia.
An early Cambrian trilobite known from South China and other Cambrian Stage 2 deposits, representing one of the stratigraphically oldest trilobite forms in the fossil record.
A Cambrian trilobite described by Barrande in 1852, Hydrocephalus is notable for its inflated, bulbous glabella from the Barrandian area of the Czech Republic.
Early Cambrian olenellid trilobite known from North America and Greenland, characterized by a distinct glabellar structure and relatively large compound eyes.
A Cambrian trilobite genus from Yunnan Province, China, known from Early to Middle Cambrian strata and representative of the diverse South China Cambrian fauna.
Early Cambrian trilobite serving as a key biostratigraphic index fossil for Atdabanian-age strata in Siberia and other Cambrian paleocontinental provinces.
