swap_horiz Modocia 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

Dalmanites limulurus

Dalmanites limulurus is an extinct species of trilobite from Silurian rocks in New York State, including the Rochester S...

North America Common Silurian Phacopida

8.4 Great

3

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

4

Scutellum

Scutellum is a genus of extinct trilobites known from Devonian marine deposits, particularly those of present-day Europe...

Europe Smooth Devonian Common

8.1 Great

5

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

6

Conocoryphe

Middle Cambrian trilobite notable for the complete absence of eyes, abundant in Bohemian and Iberian Cambrian deposits a...

Blind Bohemian Cambrian Ptychopariida

6.8 Fair

7

Dolichometopus

Ordovician asaphid trilobite from Baltica, known from Scandinavian limestones and notable for its elongated body form re...

Asia Smooth Cambrian Corynexochida

6.7 Fair

8

Ellipsocephalus

A Cambrian trilobite genus first described from Bohemia by Joachim Barrande; its type species Ellipsocephalus hoffi is a...

Smooth Bohemian Cambrian Ptychopariida

6.5 Fair

9

Norwoodia

Middle to Late Cambrian trilobite from the Great Basin of western North America, a ptychopariid known from multiple Camb...

Smooth Rare North America Cambrian

6.4 Fair

10

Basidechenella

A Devonian proetid trilobite of the family Dechenellidae known from North American Devonian deposits, characterized by a...

Small Smooth North America Devonian

6.3 Fair

11

Ptychoparia

Middle Cambrian trilobite from Bohemia that serves as the type genus of order Ptychopariida, one of the most taxonomical...

Bohemian Cambrian Ptychopariida Ptychopariidae

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

Judomia

Cambrian trilobite from Siberia used as an index fossil for the Botomian Stage, aiding global correlation of Lower Cambr...

Siberian Cambrian Ptychopariida Zone Fossil

5.8 Mediocre

14

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

15

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

16

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

17

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

18

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

19

Leiagnostus

Leiagnostus is a Cambrian agnostid trilobite noted for its smooth, unornamented exoskeleton, found in deposits across Eu...

Tiny Blind Smooth Cambrian

5.0 Mediocre

20

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