swap_horiz Zacanthoides 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

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

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

Oryctocephalus

Middle Cambrian trilobite whose species O. indicus defines a globally recognized biozone used to correlate Cambrian stra...

Cosmopolitan Cambrian Corynexochida Zone Fossil

6.5 Fair

9

Kootenia

Middle Cambrian corynexochid trilobite distributed across North America and Asia, commonly found in deposits contemporan...

North American Cambrian Corynexochida Zone Fossil

6.2 Fair

10

Glossopleura

Middle Cambrian trilobite abundant in North America that gives its name to the Glossopleura biozone, a key interval in r...

North American Cambrian Corynexochida Zone Fossil

6.0 Fair

11

Bathyuriscus

Middle Cambrian trilobite widespread across North America, serving as a key index fossil for the Bathyuriscus-Elrathina...

North American Cambrian Corynexochida Zone Fossil

6.0 Fair

12

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

13

Alokistocare

Middle Cambrian marjumiid trilobite from North America, common in carbonate platform deposits of the western interior Un...

North American Cambrian Ptychopariida Zone Fossil

5.8 Mediocre

14

Ehmaniella

Middle Cambrian marjumiid trilobite from North America whose fossils serve as index fauna for stratigraphic zones in the...

Small North American Cambrian Ptychopariida

5.8 Mediocre

15

Corynexochus

Middle Cambrian trilobite of the order Corynexochida with broad distribution across North America, Europe, and Asia duri...

Asian Cambrian Corynexochida Zone Fossil

5.5 Mediocre

16

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

17

Dorypyge

Middle Cambrian corynexochid trilobite found in North America and Asia, recognized by its distinctive elongated pygidium...

North American Cambrian Corynexochida Zone Fossil

5.2 Mediocre

18

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

19

Fieldaspis

Cambrian trilobite genus known from Gondwanan terranes, contributing to understanding of early Cambrian biogeographic di...

Small North American Cambrian Corynexochida

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