swap_horiz Acernaspis 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

Deiphon

Deiphon represents a notable Silurian trilobite genus belonging to the Cheiruridae family. This European fossil, discove...

European Globose Silurian Phacopida

9.0 Excellent

3

Calymene blumenbachi

Calymene blumenbachi represents an iconic Silurian trilobite discovered primarily in European deposits dating back to th...

Iconic European Silurian Phacopida

8.8 Great

4

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

5

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

6

Encrinurus

A Silurian trilobite recognized by its strongly tuberculate exoskeleton and prominent granulated glabella, found across...

European Silurian Phacopida Tuberculate

8.2 Great

7

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

8

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

9

Calymene

A Silurian trilobite widespread in Europe and North America, nicknamed the Dudley Bug from classic outcrops in Silurian...

European Silurian Phacopida Enrolled

7.8 Good

10

Flexicalymene

An Ordovician trilobite abundant in the Cincinnati region of the USA, frequently preserved enrolled and found in great n...

North American Ordovician Phacopida Enrolled

7.5 Good

11

Huntonia

Devonian phacopid trilobite from Oklahoma and surrounding North American states, recognized by its smoothly inflated gla...

North American Devonian Spiny Phacopida

7.0 Good

12

Trimerus

Trimerus is a Silurian trilobite genus of family Homalonotidae with an elongated, spinose body, found in England and oth...

Smooth North American Silurian Phacopida

6.8 Fair

13

Dipleura

Dipleura is a Devonian trilobite genus from the Hamilton Group of New York State, notable for being among the largest tr...

Large North American Devonian Phacopida

6.8 Fair

14

Homalonotus

Homalonotus is a Silurian-Devonian trilobite genus with a smooth carapace and elongated thorax, first described from Eur...

European Smooth Silurian Phacopida

6.5 Fair

15

Gravicalymene

A Silurian calymenid trilobite found in Europe and North America, distinguished by its robust, heavily calcified glabell...

European Silurian Phacopida Enrolled

6.5 Fair

16

Coronocephalus

A Silurian encrinurid trilobite best known from China, where C. rex serves as a significant index fossil for Silurian bi...

Chinese Silurian Phacopida Tuberculate

6.5 Fair

17

Acaste

Silurian to Devonian phacopid trilobite common in European marine deposits, recognized for its large schizochroal compou...

European Silurian Phacopida Schizochroal Eyes

6.5 Fair

18

Paciphacops

Devonian phacopid trilobite endemic to North America, recognized by its inflated glabella and large schizochroal eyes, c...

North American Devonian Phacopida Schizochroal Eyes

6.5 Fair

19

Platycalymene

A Silurian calymenid trilobite widespread across North America and Europe, frequently preserved enrolled into a tight de...

North American Ordovician Phacopida Enrolled

6.3 Fair

20

Reedocalymene

A Paleozoic calymenid trilobite genus named in honor of the paleontologist Reed, recognized by the characteristic lobed...

North American Ordovician Phacopida Enrolled

6.0 Fair