swap_horiz Bonnia Alternatives

1

Elrathia kingi

Elrathia kingi is a common trilobite fossil discovered primarily in the Middle Cambrian Wheeler Shale of Utah. It repres...

Utah Cambrian Abundant Ptychopariida

9.2 Excellent

2

Elrathia kingii

Elrathia kingii is an extinct ptychopariid trilobite from the Middle Cambrian Wheeler Shale of western Utah. Its fossils...

Utah Cambrian Abundant Ptychopariida

8.1 Great

3

Elrathia

Elrathia is an extinct genus of ptychopariid trilobite that lived during the Middle Cambrian period. Fossils of this mar...

Utah North American Cambrian Abundant

7.5 Good

4

Zacanthoides

Zacanthoides is an extinct genus of corynexochid trilobite that lived during the Middle Cambrian period. Fossils of this...

North American Spiny Cambrian Corynexochida

7.5 Good

5

Dikelocephalus

Dikelocephalus is a large Late Cambrian trilobite genus known from Wisconsin, USA, including material from the St. Lawre...

Large North American Ptychopariida Late Cambrian

7.0 Good

6

Conocoryphe

Conocoryphe is an extinct genus of Middle Cambrian trilobites in the family Conocoryphidae. Fossils are known from regio...

Blind Bohemian Cambrian Ptychopariida

6.8 Fair

7

Modocia

Modocia is a genus of ptychopariid trilobites known from Middle Cambrian marine rocks. Fossils assigned to the genus occ...

Smooth North America Common Cambrian

6.8 Fair

8

Ellipsocephalus

Ellipsocephalus is a genus of ptychopariid trilobites from the Cambrian Period. It is especially associated with Cambria...

Smooth Bohemian Cambrian Ptychopariida

6.5 Fair

9

Alokistocare

Alokistocare is an extinct genus of marjumiid trilobites from the Middle Cambrian. Its fossils are known from marine car...

North American Cambrian Ptychopariida Zone Fossil

5.8 Mediocre

10

Ehmaniella

Ehmaniella is an extinct genus of marjumiid trilobites from the Middle Cambrian. It is known from North American marine...

Small North American Cambrian Ptychopariida

5.8 Mediocre

11

Sao

Sao is an extinct genus of small Cambrian trilobites associated with the fossil-bearing rocks of Bohemia. It was describ...

Small Bohemian Cambrian Ptychopariida

5.8 Mediocre

12

Agraulos

Agraulos is a genus of Cambrian trilobites in the family Ptychopariidae. The genus was described by Joachim Barrande in...

Small Bohemian Cambrian Ptychopariida

5.5 Mediocre

13

Dunderbergia

Dunderbergia is a Late Cambrian trilobite from the Great Basin of Nevada, USA, named after Dunderberg Peak in the Eureka...

Small North American Ptychopariida Late Cambrian

5.2 Mediocre

14

Atops

Atops is an extinct genus of trilobites, a group of marine arthropods that lived during the early Cambrian Period. The g...

Small North American Ptychopariida Late Cambrian

5.2 Mediocre

15

Chancia

Chancia is an extinct genus of Middle Cambrian trilobites classified in the order Ptychopariida and the family Alokistoc...

Small North American Cambrian Ptychopariida

5.0 Mediocre

16

Eurekia

Eurekia is an extinct genus of asaphid trilobites placed in the family Eurekiidae. It is known from Late Cambrian and ea...

Small North American Ptychopariida Late Cambrian

5.0 Mediocre

17

Bailiella

Bailiella is an extinct Middle Cambrian genus of trilobites in the family Conocoryphidae, named by Matthew in 1885. It i...

Small Asian Cambrian Ptychopariida

5.0 Mediocre

18

Fieldaspis

Fieldaspis is an extinct genus of Cambrian corynexochid trilobites assigned to the family Fieldaspididae. Descriptions c...

Small North American Cambrian Corynexochida

4.8 Poor

19

Microparia

Microparia is an extinct genus of Ordovician marine trilobites in the family Cyclopygidae. Its fossils are recorded from...

Small Cambrian Ptychopariida Zone Fossil

4.8 Poor

20

Maryvillia

Maryvillia is an extinct genus of Upper Cambrian trilobites in the family Kingstoniidae, within the order Ptychopariida....

Small North American Ptychopariida Late Cambrian

4.8 Poor