swap_horiz Isotelus Alternatives

1

Neoasaphus

Neoasaphus is a type of trilobite fossil belonging to the Asaphida order and Asaphidae family. Primarily found in Ordovi...

Russian Ordovician Asaphida Asaphidae

9.2 Excellent

2

Isotelus rex

Isotelus rex is a remarkably large species of trilobite belonging to the Asaphida order. Recovered from Ordovician-age r...

Canadian Ordovician Asaphida Asaphidae

9.1 Excellent

3

Neoasaphus kowalewskii

Neoasaphus kowalewskii is a fossil trilobite discovered in Russia’s Ordovician deposits. This species is notable for its...

Russian Iconic Ordovician Asaphida

9.0 Excellent

4

Asaphus

An Ordovician trilobite from the Baltic region, with species such as A. kowalewskii bearing stalked eyes up to 6 cm tall...

Russian Smooth Ordovician Asaphida

8.6 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

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

7

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

8

Pseudoasaphus

An Ordovician asaphid trilobite from Baltic Russia, closely related to Neoasaphus and also known for three-dimensionally...

Russian Ordovician Asaphida Asaphidae

7.5 Good

9

Ogygiocaris

Ogygiocaris is a large Ordovician asaphid trilobite genus found in Wales and Scandinavia, with a broad, flat body suited...

Large Scandinavian Ordovician Asaphida

7.2 Good

10

Ogygiocarella

Ogygiocarella is an Ordovician trilobite genus from Wales, historically significant as one of the earliest trilobites il...

Large British Ordovician Asaphida

7.0 Good

11

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

12

Ogygites

An Ordovician trilobite of the family Ogygitidae, known from Europe and found in Llanvirn to Caradoc-age rocks across Go...

European Smooth Ordovician Asaphida

6.8 Fair

13

Symphysurus

Symphysurus is an Ordovician trilobite genus found in Scandinavia and China, notable as a member of the family Symphysur...

European Smooth Ordovician Asaphida

6.2 Fair

14

Nileus

Nileus is an Ordovician trilobite genus with a smooth, inflated cephalon and large eyes, common in the Ordovician limest...

Smooth Scandinavian Ordovician Asaphida

6.0 Fair

15

Ectillaenus

A Silurian illaenid trilobite from Europe, Ectillaenus was described by Salter in 1866 and is recognized by its broad ce...

European Smooth Ordovician Asaphida

6.0 Fair

16

Asaphellus

Ordovician asaphid trilobite widely distributed across Gondwana and peri-Gondwanan terranes, serving as an important too...

North African Smooth Ordovician Asaphida

5.8 Mediocre

17

Ormathops

Ordovician trilobite from the Anglo-Welsh basin used as a biostratigraphic index fossil for correlating Lower Ordovician...

North African Smooth Ordovician Asaphida

5.2 Mediocre

18

Nileoides

Ordovician nileid trilobite known from North Africa and the Middle East, contributing to understanding of shallow-marine...

European Smooth Ordovician Asaphida

5.0 Mediocre

19

Synphoriodes

Ordovician trilobite genus known from European strata, a member of the diverse shallow-marine benthos of the period, wit...

European Smooth Ordovician Asaphida

5.0 Mediocre

20

Acrocephalaspis

A Cambrian trilobite genus distinguished by an elongated, pointed glabella, known from Middle Cambrian deposits and clas...

North African Smooth Ordovician Asaphida

4.8 Poor