swap_horiz Bristolia Alternatives

1

Phacops rana

Phacops rana is an iconic Devonian trilobite found primarily in eastern North America. Its exceptionally large, compound...

Iconic North American Devonian Phacopida

9.3 Excellent

2

Phacops

Phacops is a Devonian trilobite species originating from North America. It’s notable for its unique schizochroal eyes, c...

Iconic North American Devonian Phacopida

8.7 Great

3

Arctinurus

Arctinurus is an extinct genus of large trilobites that lived during the Silurian period, primarily discovered in the Ro...

Large North American Silurian Lichida

8.5 Great

4

Isotelus

Isotelus is an extinct genus of large asaphid trilobite that lived during the Ordovician period. It possessed a smooth,...

Smooth North American Ordovician Asaphida

8.3 Great

5

Cryptolithus

Cryptolithus is an extinct genus of trinucleid trilobite that lived during the Ordovician period. It is distinguished by...

Blind North American Ordovician Trinucleida

8.3 Great

6

Schmidtiellus

Schmidtiellus is a genus of trilobites known from Lower Cambrian rocks in Estonia and Scandinavia. It belongs to an earl...

Rare Scandinavia Primitive Redlichiida

8.1 Great

7

Dalmanites

Dalmanites is an extinct genus of phacopid trilobites that existed throughout the Silurian and Early Devonian periods. F...

North American Silurian Phacopida Tail Spine

8.0 Great

8

Ceraurus

Ceraurus is an extinct genus of cheirurid trilobites that thrived in shallow marine environments during the Ordovician p...

North American Ordovician Phacopida Cheiruridae

8.0 Great

9

Daguinaspis

Daguinaspis is a genus of early trilobites known from Lower Cambrian rocks in Morocco. It belongs to an archaic group of...

Rare Morocco Primitive Redlichiida

7.7 Good

10

Serrodiscus

Serrodiscus is an extinct genus of small trilobites from the Early Cambrian, known from fossil material found in North A...

Tiny Serrated Primitive Redlichiida

7.7 Good

11

Olenellus

Olenellus is an extinct genus of early trilobite that lived during the Early Cambrian period. Fossils of this primitive...

North American Primitive Early Cambrian Olenellida

7.5 Good

12

Elrathia

Elrathia is an extinct genus of ptychopariid trilobite that lived during the Middle Cambrian period. Fossils of this mar...

Utah North American Cambrian Abundant

7.5 Good

13

Ornamentaspis

Early Cambrian trilobite known from Gondwanan localities including Spain and Morocco, characterized by its distinctly or...

Rare Ornate Primitive Redlichiida

7.5 Good

14

Callavia

Callavia is a genus of olenellid trilobites from the early Cambrian Period. It is especially associated with Newfoundlan...

North American Primitive Redlichiida Early Cambrian

6.5 Fair

15

Holmia

Holmia is a genus of olenellid trilobites from the early Cambrian Period. It is particularly associated with Scandinavia...

Scandinavian Primitive Early Cambrian Olenellida

6.5 Fair

16

Wanneria

Wanneria is a genus of olenellid trilobites from the Early Cambrian period. Its fossils occur in North America and are a...

North American Primitive Early Cambrian Olenellida

6.2 Fair

17

Nephrolenellus

Nephrolenellus is an extinct genus of olenellid trilobites from the Early Cambrian of western North America. Its body pl...

North American Primitive Early Cambrian Olenellida

6.2 Fair

18

Kjerulfia

Kjerulfia is a genus of Early Cambrian trilobites known from lower Cambrian deposits in Norway and Sweden. It is associa...

Scandinavian Primitive Early Cambrian Olenellida

6.0 Fair

19

Mesonacis

Mesonacis is a genus of Early Cambrian olenellid trilobites known from North America and Greenland. It belongs to the or...

North American Primitive Redlichiida Early Cambrian

6.0 Fair

20

Paedeumias

Paedeumias is an extinct genus of olenellid trilobites from the Early Cambrian, classified in the order Redlichiida and...

North American Primitive Early Cambrian Olenellida

5.0 Mediocre