swap_horiz Kjerulfia Alternatives

1

Olenellus

An Early Cambrian trilobite from North America and Greenland that lacks facial sutures and defines the Olenellus biozone...

North American Primitive Early Cambrian Olenellida

7.5 Good

2

Ogygiocaris

Ogygiocaris is a large Ordovician asaphid trilobite genus found in Wales and Scandinavia, with a broad, flat body suited...

Large Scandinavian Ordovician Asaphida

7.2 Good

3

Redlichia

An Early Cambrian trilobite from Australia and Asia that serves as an index fossil for lower Cambrian deposits, with a d...

Asian Gondwana Redlichiida Early Cambrian

7.0 Good

4

Fallotaspis

One of the earliest known trilobite genera, from the Early Cambrian of Morocco and North America, critical for understan...

Moroccan Primitive Redlichiida Early Cambrian

6.8 Fair

5

Eoredlichia

An early Cambrian redlichiid trilobite from South China, among the earliest well-documented trilobites and significant f...

Chinese Primitive Redlichiida Early Cambrian

6.8 Fair

6

Lonchodomas

An Ordovician trilobite known for its elongated frontal or rostral spine, found in Baltic and North American Ordovician...

Blind Scandinavian Ordovician Trinucleida

6.8 Fair

7

Olenus

An Upper Cambrian trilobite from Scandinavia and Wales that serves as the index fossil for the Olenus biozone, associate...

Scandinavian Ptychopariida Late Cambrian Olenidae

6.5 Fair

8

Bathynotus

An early Cambrian trilobite known from South China and other Cambrian Stage 2 deposits, representing one of the stratigr...

Chinese Primitive Redlichiida Early Cambrian

6.5 Fair

9

Callavia

An early Cambrian olenellid trilobite from Newfoundland, Canada, namesake of the Callavia biozone and a key marker for l...

North American Primitive Redlichiida Early Cambrian

6.5 Fair

10

Protolenus

An early Cambrian trilobite found in Moroccan and Iberian deposits, belonging to the paradoxidid-related group and used...

Moroccan Primitive Redlichiida Early Cambrian

6.5 Fair

11

Holmia

An early Cambrian trilobite from Scandinavia, namesake of the Holmia biozone used to correlate lower Cambrian strata acr...

Scandinavian Primitive Early Cambrian Olenellida

6.5 Fair

12

Wanneria

An Early Cambrian olenellid trilobite from North America, among the earliest trilobites recorded in the fossil sequence...

North American Primitive Early Cambrian Olenellida

6.2 Fair

13

Nephrolenellus

Early Cambrian olenellid trilobite from western North America, distinguished by its elongated axial lobe and reduced pyg...

North American Primitive Early Cambrian Olenellida

6.2 Fair

14

Bristolia

Early Cambrian olenellid trilobite endemic to western North America, particularly Nevada and California, notable for its...

North American Long Spines Early Cambrian Olenellida

6.2 Fair

15

Nileus

Nileus is an Ordovician trilobite genus with a smooth, inflated cephalon and large eyes, common in the Ordovician limest...

Smooth Scandinavian Ordovician Asaphida

6.0 Fair

16

Mesonacis

Early Cambrian olenellid trilobite known from North America and Greenland, characterized by a distinct glabellar structu...

North American Primitive Redlichiida Early Cambrian

6.0 Fair

17

Pterygometopus

Ordovician to Silurian trilobite of the Pterygometopidae, distinguished by broad lateral fixigenal expansions flanking a...

Scandinavian Ordovician Phacopida Large Eyes

5.8 Mediocre

18

Parabolina

Late Cambrian trilobite widely used as a biostratigraphic index fossil for upper Cambrian zones, particularly in Scandin...

Scandinavian Ptychopariida Late Cambrian Olenidae

5.5 Mediocre

19

Paedeumias

Middle Cambrian ptychopariid trilobite from North America, known from deposits in the western United States and Canada.

North American Primitive Early Cambrian Olenellida

5.0 Mediocre

20

Apatokephalus

An Ordovician trilobite from Scandinavia and North America, Apatokephalus was described by Brøgger in 1898 and is known...

Scandinavian Primitive Cambrian Asaphida

5.0 Mediocre