swap_horiz Fieldaspis Alternatives

1

Olenoides serratus

Olenoides serratus is an iconic trilobite species dating back to the Cambrian period. Found within the Burgess Shale of...

Iconic Cambrian Burgess Shale Corynexochida

9.0 Excellent

2

Kootenia burgessensis

A Middle Cambrian trilobite species from the Burgess Shale of British Columbia, Canada, described by Charles Walcott and...

Canadian Cambrian Burgess Shale Corynexochida

8.0 Great

3

Olenoides

A Middle Cambrian trilobite best known from the Burgess Shale of British Columbia, Canada, where exceptional preservatio...

Canadian Cambrian Burgess Shale Corynexochida

7.8 Good

4

Elrathia

A Middle Cambrian trilobite from the Wheeler Shale of Utah, USA, so abundantly preserved that it is among the most comme...

Utah North American Cambrian Abundant

7.5 Good

5

Ogygopsis

A Middle Cambrian trilobite common in the Burgess Shale of British Columbia, Canada, and one of the most frequently enco...

Canadian Cambrian Asaphida Burgess Shale

7.5 Good

6

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

7

Arthricocephalus

Arthricocephalus is a Cambrian trilobite genus from South China used as an index fossil for the lower Cambrian strata of...

Chinese Cambrian Corynexochida Zone Fossil

6.5 Fair

8

Bonnia

A Middle Cambrian trilobite from North America, known from Cambrian strata of the western United States and used in regi...

Small North American Cambrian Ptychopariida

5.8 Mediocre

9

Sao

Cambrian trilobite from Bohemia described by Joachim Barrande in his landmark 19th-century monograph on Silurian fauna,...

Small Bohemian Cambrian Ptychopariida

5.8 Mediocre

10

Agraulos

A Cambrian ptychopariid trilobite described by Barrande in 1846, Agraulos is known primarily from Middle Cambrian deposi...

Small Bohemian Cambrian Ptychopariida

5.5 Mediocre

11

Acadagnostus

Acadagnostus is a Cambrian agnostid trilobite described by Kobayashi in 1939, known from North America, Europe, and Aust...

Tiny Blind North American Cambrian

5.5 Mediocre

12

Acernaspis

Silurian dalmanitid trilobite distributed across North America and Europe, recognized by schizochroal eyes and a spinose...

Small North American Silurian Phacopida

5.3 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

Pagetia

A Cambrian eodiscid trilobite with a broad geographic range, Pagetia is found in deposits across North America, Australi...

Tiny North American Cambrian Agnostida

5.2 Mediocre

15

Atops

A Late Cambrian trilobite genus from North America, classified within the order Ptychopariida and known from Upper Cambr...

Small North American Ptychopariida Late Cambrian

5.2 Mediocre

16

Chancia

Upper Cambrian trilobite from North America known from Franconian Stage deposits, used in biostratigraphic correlation o...

Small North American Cambrian Ptychopariida

5.0 Mediocre

17

Eurekia

Cambrian trilobite known from deposits in Nevada and other western North American localities, contributing to reconstruc...

Small North American Ptychopariida Late Cambrian

5.0 Mediocre

18

Bailiella

A Middle Cambrian trilobite genus of the family Solenopleuridae, known from deposits in Europe and Asia and used as a bi...

Small Asian Cambrian Ptychopariida

5.0 Mediocre

19

Maryvillia

Maryvillia is a Cambrian trilobite from eastern North America, named after Maryville, Tennessee, where early specimens w...

Small North American Ptychopariida Late Cambrian

4.8 Poor

20

Loganopeltoides

A Cambrian trilobite genus morphologically similar to Loganopeltis, known from Lower to Middle Cambrian deposits in Asia...

North American Cambrian Corynexochida Zone Fossil

4.8 Poor