swap_horiz Mesonacis Alternatives

1

Nevadella

Nevadella is a genus of olenellid trilobites from the Early Cambrian of western North America. Fossils assigned to the g...

Rare Nevada Primitive Cambrian

8.3 Great

2

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

3

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

4

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

5

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

6

Ornamentaspis

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

Rare Ornate Primitive Redlichiida

7.5 Good

7

Redlichia

Redlichia is an Early Cambrian trilobite genus recorded from Australia and Asia and assigned to the redlichiid trilobite...

Asian Gondwana Redlichiida Early Cambrian

7.0 Good

8

Fallotaspis

Fallotaspis is an extinct genus of redlichiid trilobites from the Early Cambrian. Fossils are known from Morocco and Nor...

Moroccan Primitive Redlichiida Early Cambrian

6.8 Fair

9

Eoredlichia

Eoredlichia is an extinct genus of redlichiid trilobites from the Early Cambrian. It is especially well documented in th...

Chinese Primitive Redlichiida Early Cambrian

6.8 Fair

10

Bathynotus

Bathynotus is a genus of early trilobites from the Cambrian Period. Fossils are known from South China and from rocks as...

Chinese Primitive Redlichiida Early Cambrian

6.5 Fair

11

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

12

Protolenus

Protolenus is a genus of redlichiid trilobites from the early Cambrian Period. Fossils are known from Morocco and the Ib...

Moroccan Primitive Redlichiida Early Cambrian

6.5 Fair

13

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

14

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

15

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

16

Bristolia

Bristolia is an extinct genus of olenellid trilobites from the Early Cambrian of western North America. It is particular...

North American Long Spines Early Cambrian Olenellida

6.2 Fair

17

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

18

Yunnanocephalus

Yunnanocephalus is a genus of trilobites from the Cambrian Period. Fossils assigned to the genus are associated with Cam...

Chinese Primitive Cambrian Redlichiida

5.5 Mediocre

19

Bergeroniellus

Bergeroniellus is an extinct early Cambrian trilobite genus known especially from the Siberian Platform. The genus is as...

Siberian Redlichiida Early Cambrian Zone Fossil

5.0 Mediocre

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