swap_horiz Mucronaspis Alternatives

1

Isotelus maximus

Known from Late Ordovician rocks in eastern North America, Isotelus maximus was a large asaphid trilobite. Its broad, fl...

Large Ohio Ordovician Asaphida

9.05 Excellent

2

Cyclopyge

Exceptionally large compound eyes distinguish Cyclopyge, a genus of Ordovician trilobites. The eyes occupy much of the s...

Pelagic Rare Ordovician Asaphida

8.88 Great

3

Carolinites

Carolinites is a genus of Ordovician trilobite characterized by very large compound eyes that provided a broad field of...

Pelagic Rare Ordovician Asaphida

8.62 Great

4

Neoasaphus

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

Russian Ordovician Asaphida Asaphidae

8.46 Great

5

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

8.37 Great

6

Neoasaphus kowalewskii

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

Russian Iconic Ordovician Asaphida

8.28 Great

7

Asaphus

Asaphus is a genus of trilobite from the Ordovician period, belonging to the family Asaphidae, with fossils primarily fo...

Russian Smooth Ordovician Asaphida

7.91 Good

8

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

7.64 Good

9

Raphiophorus

Raphiophorus is an extinct genus of trilobites that existed during the Ordovician and Silurian geological periods. As a...

Blind Rare Ordovician Asaphida

7.14 Good

10

Pseudoasaphus

Pseudoasaphus is an extinct genus of asaphid trilobite that inhabited the marine environments of Baltica during the Ordo...

Russian Ordovician Asaphida Asaphidae

6.90 Fair

11

Primaspis

Early Ordovician trilobite known from Baltic and Gondwanan deposits, representing an early post-Cambrian radiation withi...

Blind Rare Ordovician Asaphida

6.74 Fair

12

Ogygiocaris

Ogygiocaris is an extinct genus of large asaphid trilobites from the Ordovician Period. Fossils are known from Wales and...

Large Scandinavian Ordovician Asaphida

6.62 Fair

13

Amphion

Ordovician asaphid trilobite from Baltica, known from Scandinavian and Baltic limestones and characterized by a smooth,...

Smooth Rare Scandinavia Ordovician

6.61 Fair

14

Ogygiocarella

Ogygiocarella is an Ordovician trilobite genus known particularly from Wales. It belongs to the asaphid lineage and is h...

Large British Ordovician Asaphida

6.44 Fair

15

Pilekia

Pilekia is an extinct trilobite genus in the family Pilekiidae, within the order Phacopida and suborder Cheirurina. It b...

Europe Small Rare Ordovician

6.28 Fair

16

Ogygites

Ogygites is an extinct genus of Ordovician trilobites often placed within Ogygiidae, a group in the order Asaphida. It i...

European Smooth Ordovician Asaphida

6.26 Fair

17

Diacalymene

An Ordovician-Silurian calymenid trilobite abundant in South America and North Africa, commonly found in the enrolled po...

North African Ordovician Phacopida Enrolled

6.16 Fair

18

Asaphellus

Asaphellus is an extinct genus of asaphid trilobites from the Ordovician Period. Its fossils are widely reported from Go...

North African Smooth Ordovician Asaphida

5.34 Mediocre

19

Ormathops

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

North African Smooth Ordovician Asaphida

4.78 Poor

20

Acrocephalaspis

Acrocephalaspis is an extinct genus of Cambrian trilobites placed in the family Acrocephalitidae and generally treated w...

North African Smooth Ordovician Asaphida

4.42 Poor