swap_horiz Norwoodia 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

Nevadella

Nevadella is a genus of olenellid trilobites from the Early Cambrian of western North America. Fossils assigned to the g...

Rare Nevada Primitive Cambrian

8.3 Great

3

Lioharpes

Lioharpes is a genus of harpetid trilobites known from Devonian marine deposits. Like other members of its group, it had...

Smooth Rare Devonian Harpetida

8.2 Great

4

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

5

Xystridura

Xystridura is a genus of trilobites from the Middle Cambrian rocks of Australia, particularly deposits in Queensland's G...

Australia Large Rare Cambrian

7.8 Good

6

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

7

Staurocephalus

An Ordovician cheirurid trilobite named for its cross-shaped glabella, recorded from Baltoscandia and the British Isles...

Rare North America Spiny Silurian

7.5 Good

8

Gabriceraurus

Gabriceraurus is an extinct genus of cheirurid trilobite that lived during the Ordovician period. Fossils are known from...

Rare North America Spiny Ordovician

7.3 Good

9

Torleyiscutellum

Torleyiscutellum is an extinct genus of scutelluoid trilobite that lived during the Devonian period. Fossil specimens of...

Europe Smooth Rare Devonian

7.2 Good

10

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

11

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

12

Malvinella

Malvinella is a genus of calmoniid trilobites from Devonian rocks of the Malvinokaffric faunal realm, with described spe...

Smooth Rare South America Devonian

6.8 Fair

13

Dolichometopus

Dolichometopus is an extinct genus of Ordovician asaphid trilobites, known from fossil-bearing limestones associated wit...

Asia Smooth Cambrian Corynexochida

6.7 Fair

14

Amphion

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

Smooth Rare Scandinavia Ordovician

6.6 Fair

15

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

16

Loganopeltis

Ordovician asaphid trilobite from Laurentia, named in honor of Canadian geologist Sir William Edmond Logan and known fro...

Rare North America Harpetida Wide Brim

6.4 Fair

17

Basidechenella

Basidechenella is a genus of proetid trilobites known from Devonian rocks. It belongs to the order Proetida and is class...

Small Smooth North America Devonian

6.3 Fair

18

Ptychoparia

Ptychoparia is a genus of Middle Cambrian trilobites from Bohemia and other Cambrian fossil localities. It is the type g...

Bohemian Cambrian Ptychopariida Ptychopariidae

6.0 Fair

19

Ptyctops

A Devonian proetid trilobite with a compact, smooth exoskeleton, known from Paleozoic marine deposits and representing a...

Smooth Rare Phacopida Enrolled

5.9 Mediocre

20

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