swap_horiz Paedeumias 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

Large Silurian trilobite from the Rochester Shale of New York State, notable for its distinctive stellate outline and fr...

Large North American Silurian Lichida

8.5 Great

4

Isotelus

A large Ordovician trilobite from North America; Isotelus rex from Manitoba, Canada, ranks among the largest trilobites...

Smooth North American Ordovician Asaphida

8.3 Great

5

Cryptolithus

Cryptolithus is an Ordovician trilobite genus famous for its broad perforated cephalic fringe nicknamed the lace collar,...

Blind North American Ordovician Trinucleida

8.3 Great

6

Dalmanites

A Silurian trilobite recognized by its elongated pygidial spine and well-developed eyes, found across North America, Eur...

North American Silurian Phacopida Tail Spine

8.0 Great

7

Ceraurus

An Ordovician cheirurid trilobite from North America distinguished by prominent genal spines and multiple pointed pygidi...

North American Ordovician Phacopida Cheiruridae

8.0 Great

8

Olenellus

An Early Cambrian trilobite from North America and Greenland that lacks facial sutures and defines the Olenellus biozone...

North American Primitive Early Cambrian Olenellida

7.5 Good

9

Zacanthoides

A Middle Cambrian trilobite from the Burgess Shale and related North American deposits, notable for prominent spination...

North American Spiny Cambrian Corynexochida

7.5 Good

10

Fallotaspis

One of the earliest known trilobite genera, from the Early Cambrian of Morocco and North America, critical for understan...

Moroccan Primitive Redlichiida Early Cambrian

6.8 Fair

11

Eoredlichia

An early Cambrian redlichiid trilobite from South China, among the earliest well-documented trilobites and significant f...

Chinese Primitive Redlichiida Early Cambrian

6.8 Fair

12

Bathynotus

An early Cambrian trilobite known from South China and other Cambrian Stage 2 deposits, representing one of the stratigr...

Chinese Primitive Redlichiida Early Cambrian

6.5 Fair

13

Callavia

An early Cambrian olenellid trilobite from Newfoundland, Canada, namesake of the Callavia biozone and a key marker for l...

North American Primitive Redlichiida Early Cambrian

6.5 Fair

14

Protolenus

An early Cambrian trilobite found in Moroccan and Iberian deposits, belonging to the paradoxidid-related group and used...

Moroccan Primitive Redlichiida Early Cambrian

6.5 Fair

15

Holmia

An early Cambrian trilobite from Scandinavia, namesake of the Holmia biozone used to correlate lower Cambrian strata acr...

Scandinavian Primitive Early Cambrian Olenellida

6.5 Fair

16

Wanneria

An Early Cambrian olenellid trilobite from North America, among the earliest trilobites recorded in the fossil sequence...

North American Primitive Early Cambrian Olenellida

6.2 Fair

17

Nephrolenellus

Early Cambrian olenellid trilobite from western North America, distinguished by its elongated axial lobe and reduced pyg...

North American Primitive Early Cambrian Olenellida

6.2 Fair

18

Bristolia

Early Cambrian olenellid trilobite endemic to western North America, particularly Nevada and California, notable for its...

North American Long Spines Early Cambrian Olenellida

6.2 Fair

19

Kjerulfia

An early Cambrian trilobite from Norway and Sweden, known from lower Cambrian deposits of Scandinavia and associated wit...

Scandinavian Primitive Early Cambrian Olenellida

6.0 Fair

20

Mesonacis

Early Cambrian olenellid trilobite known from North America and Greenland, characterized by a distinct glabellar structu...

North American Primitive Redlichiida Early Cambrian

6.0 Fair