swap_horiz Hydrocephalus 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

8.46 Great

2

Paradoxides gracilis

Middle Cambrian trilobite widespread across Baltica and Avalonia, widely used as a biostratigraphic index fossil for the...

Bohemia Cambrian Redlichiida Species

8.35 Great

3

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

8.28 Great

4

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

8.28 Great

5

Elrathia kingii

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

Utah Cambrian Abundant Ptychopariida

8.12 Great

6

Schmidtiellus

Schmidtiellus is a genus of trilobites known from Lower Cambrian rocks in Estonia and Scandinavia. It belongs to an earl...

Rare Scandinavia Primitive Redlichiida

8.05 Great

7

Naraoia

Naraoia is an extinct genus of soft-bodied arthropods that thrived during the Cambrian period, famously found in the Bur...

Cambrian Burgess Shale Soft Bodied Bivalved

7.82 Good

8

Paradoxides davidis

Paradoxides davidis is a species of large trilobite that lived during the Middle Cambrian period, with fossils primarily...

Large British Cambrian Redlichiida

7.82 Good

9

Xystridura

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

Australia Large Rare Cambrian

7.82 Good

10

Serrodiscus

Serrodiscus is an extinct genus of small trilobites from the Early Cambrian, known from fossil material found in North A...

Tiny Serrated Primitive Redlichiida

7.72 Good

11

Paradoxides

Paradoxides is an extinct genus of large trilobites belonging to the order Redlichiida, existing during the Middle Cambr...

Iconic Large Bohemian Cambrian

7.54 Good

12

Acadoparadoxides

Acadoparadoxides is an extinct genus of large trilobites belonging to the family Paradoxididae, existing during the Midd...

Large Moroccan Cambrian Redlichiida

6.90 Fair

13

Conocoryphe

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

Blind Bohemian Cambrian Ptychopariida

6.26 Fair

14

Protolenus

Protolenus is a genus of redlichiid trilobites from the early Cambrian Period. Fossils are known from Morocco and the Ib...

Moroccan Primitive Redlichiida Early Cambrian

5.98 Mediocre

15

Eccaparadoxides

Eccaparadoxides is a genus of paradoxidid trilobites from the Cambrian Period. Its fossils are associated with peri-Gond...

Iberian Cambrian Redlichiida Zone Fossil

5.98 Mediocre

16

Ellipsocephalus

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

Smooth Bohemian Cambrian Ptychopariida

5.98 Mediocre

17

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

5.52 Mediocre

18

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

5.34 Mediocre

19

Agraulos

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

Small Bohemian Cambrian Ptychopariida

5.06 Mediocre

20

Yunnanocephalus

Yunnanocephalus is a genus of trilobites from the Cambrian Period. Fossils assigned to the genus are associated with Cam...

Chinese Primitive Cambrian Redlichiida

5.06 Mediocre