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swap_horiz Cidaris cidaris Alternatives

Looking for alternatives to Cidaris cidaris? Compare the top Sea Urchin options ranked by our AI scoring system.

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Cidaris cidaris

Cidaris cidaris

Sea Urchin Atlantic Pencil Living Deepwater Cidaroid

Cidaris cidaris is a species of sea urchin belonging to the family Cidaridae, commonly referred to as pencil urchins. First described by Carl Linnaeus in 1758, this echinoid is characterized by its thick, smooth, and blunt primary spines that resemble stubby pencils. It inhabits deep-water marine en...

7.4 Good

apps Top Cidaris cidaris Alternatives

The top alternative to Cidaris cidaris in 2026 is Phyllacanthus imperialis with a score of 8.1/10, followed by Eucidaris galapagensis (7.6) and Eucidaris thouarsii (7.5).

1
Phyllacanthus imperialis

Phyllacanthus imperialis

Phyllacanthus imperialis is a species of sea urchin belonging to the family Cidaridae, commonly known as the imperial pe...

Reef Pencil Living Indo Pacific
8.1 Great
2
Eucidaris galapagensis

Eucidaris galapagensis

Eucidaris galapagensis, described by German zoologist Ludwig Döderlein in 1887, is a species of pencil urchin endemic to...

Reef Pencil Living Galapagos
7.6 Good
3
Eucidaris thouarsii

Eucidaris thouarsii

Eucidaris thouarsii is a species of slate-pencil sea urchin belonging to the family Cidaridae, described by Louis Agassi...

Reef Pencil Living Eastern Pacific
7.5 Good
4
Stylocidaris affinis

Stylocidaris affinis

Stylocidaris affinis is a species of cidaroid sea urchin, commonly known as a pencil urchin or red lance urchin. Philipp...

Atlantic Pencil Living Deepwater
6.9 Fair
5
Dorocidaris papillata

Dorocidaris papillata

Dorocidaris papillata is a former scientific name for Cidaris cidaris, a cidaroid sea urchin commonly called the long-sp...

Atlantic Pencil Living Deepwater
6.9 Fair
6
Histocidaris elegans

Histocidaris elegans

Histocidaris elegans is a species of cidaroid sea urchin in the family Histocidaridae. Alexander Agassiz described it in...

Atlantic Pencil Living Deepwater
6.6 Fair
7
Goniocidaris tubaria

Goniocidaris tubaria

Goniocidaris tubaria is a species of cidaroid sea urchin in the family Cidaridae. Jean-Baptiste Lamarck described the sp...

Pencil Living Indo Pacific Deepwater
6.5 Fair
8
Ctenocidaris speciosa

Ctenocidaris speciosa

Ctenocidaris speciosa is an Antarctic species of sea urchin in the order Cidaroida and the family Ctenocidaridae. The sp...

Antarctic Pencil Living Deepwater
6.5 Fair
9
Stylocidaris lineata

Stylocidaris lineata

Stylocidaris lineata is a species of cidaroid sea urchin in the echinoderm class Echinoidea. Mortensen described the spe...

Atlantic Pencil Living Deepwater
6.4 Fair
10
Austrocidaris canaliculata

Austrocidaris canaliculata

Austrocidaris canaliculata is a species of cidaroid sea urchin in the family Cidaridae. Alexander Agassiz described it i...

Pencil Living Southern Ocean Deepwater
6.4 Fair
11
Cidaris blakei

Cidaris blakei

Cidaris blakei is a cidaroid sea urchin associated with deep water in the Gulf of Mexico. Alexander Agassiz described th...

Atlantic Pencil Living Deepwater
6.3 Fair
12
Stylocidaris briareus

Stylocidaris briareus

Stylocidaris briareus is not a name I could verify in current major sea urchin lists; Stylocidaris itself was establishe...

Atlantic Pencil Living Deepwater
6.3 Fair
13
Calocidaris micans

Calocidaris micans

Calocidaris micans is a marine sea urchin in the family Cidaridae, within the order Cidaroida. Like other cidaroids, it...

Atlantic Pencil Living Deepwater
6.3 Fair
14
Cidaris rugosa

Cidaris rugosa

Cidaris rugosa is a species of cidaroid sea urchin, a marine echinoderm whose body is enclosed by a rigid, calcitic test...

Atlantic Pencil Living Deepwater
6.2 Fair
15
Porocidaris purpurata

Porocidaris purpurata

Porocidaris purpurata is an older scientific name for the cidaroid sea urchin now referred to as Histocidaris purpurata....

Purple Atlantic Living Deepwater
6.2 Fair
16
Rhynchocidaris triplopora

Rhynchocidaris triplopora

Rhynchocidaris triplopora is a species of cidaroid sea urchin in the family Cidaridae. It belongs to the genus Rhynchoci...

Pencil Living Indo Pacific Deepwater
6.0 Fair
17
Notocidaris gaussensis

Notocidaris gaussensis

Notocidaris gaussensis is a species of cidaroid, or pencil, sea urchin associated with Antarctic waters. It was describe...

Antarctic Pencil Living Deepwater
5.9 Mediocre
18
Histocidaris nuttingi

Histocidaris nuttingi

Histocidaris nuttingi is a species of Histocidaridae, a spiny cidaroid sea urchin first described by Danish echinoderm s...

Pacific Pencil Living Deepwater
5.9 Mediocre
19
Notocidaris mortenseni

Notocidaris mortenseni

Notocidaris mortenseni is a southern ctenocidarid sea urchin described by Koehler in 1900, later placed in Mortensen's A...

Antarctic Pencil Living Deepwater
5.8 Mediocre
20
Tretocidaris bartletti

Tretocidaris bartletti

Tretocidaris bartletti is a Caribbean cidarid sea urchin described by Alexander Agassiz in 1880. It was placed in the ge...

Atlantic Pencil Living Deepwater
5.8 Mediocre

summarize Quick Comparison Summary

Alternative Score vs Cidaris cidaris Action
Phyllacanthus imperialis
Phyllacanthus imperialis
Sea Urchin Reef Pencil Living
8.1 Great +0.7 Compare
Eucidaris galapagensis
Eucidaris galapagensis
Sea Urchin Reef Pencil Living
7.6 Good +0.2 Compare
Eucidaris thouarsii
Eucidaris thouarsii
Sea Urchin Reef Pencil Living
7.5 Good +0.1 Compare
Stylocidaris affinis
Stylocidaris affinis
Sea Urchin Atlantic Pencil Living
6.9 Fair -0.5 Compare
Dorocidaris papillata
Dorocidaris papillata
Sea Urchin Atlantic Pencil Living
6.9 Fair -0.5 Compare
Histocidaris elegans
Histocidaris elegans
Sea Urchin Atlantic Pencil Living
6.6 Fair -0.8 Compare
Goniocidaris tubaria
Goniocidaris tubaria
Sea Urchin Pencil Living Indo Pacific
6.5 Fair -0.9 Compare
Ctenocidaris speciosa
Ctenocidaris speciosa
Sea Urchin Antarctic Pencil Living
6.5 Fair -0.9 Compare
Stylocidaris lineata
Stylocidaris lineata
Sea Urchin Atlantic Pencil Living
6.4 Fair -1.0 Compare
Austrocidaris canaliculata
Austrocidaris canaliculata
Sea Urchin Pencil Living Southern Ocean
6.4 Fair -1.0 Compare

See all Sea Urchin ranked by score

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help Frequently Asked Questions

What are the best alternatives to Cidaris cidaris?
The top alternatives to Cidaris cidaris in 2026 include Phyllacanthus imperialis, Eucidaris galapagensis, Eucidaris thouarsii, Stylocidaris affinis, Dorocidaris papillata. Each offers unique features and is objectively scored on Lunoo to help you compare.
How does Cidaris cidaris compare to its competitors?
Our AI-powered comparison system analyzes features, pricing, user reviews, and expert opinions to provide objective scores. Cidaris cidaris scores 7.4/10. Click any alternative above to see a detailed side-by-side comparison.
Is Cidaris cidaris worth it in 2026?
Cidaris cidaris scores 7.4/10 in the Sea Urchin category. We recommend comparing it with the 20 alternatives listed above to find the best fit for your needs.
What is the best free alternative to Cidaris cidaris?
Several alternatives to Cidaris cidaris offer free plans or free tiers. Check the alternatives listed above and visit their websites to compare pricing and free options.
Why should I switch from Cidaris cidaris?
Common reasons users look for Cidaris cidaris alternatives include pricing, specific feature gaps, better integration needs, or simply exploring newer options. Our objective scoring helps you compare without bias.
How many alternatives to Cidaris cidaris are there?
Lunoo currently lists 20 scored alternatives to Cidaris cidaris in the Sea Urchin category, ranked by our AI-powered evaluation system.
Which Cidaris cidaris alternative has the highest rating?
Phyllacanthus imperialis currently holds the highest rating among Cidaris cidaris alternatives with a score of 8.1/10.
Can I use Phyllacanthus imperialis instead of Cidaris cidaris?
Phyllacanthus imperialis is one of the top-rated alternatives to Cidaris cidaris. While they serve similar purposes in the Sea Urchin space, each has distinct strengths. Use our comparison tool above for a detailed side-by-side analysis.
What is the cheapest alternative to Cidaris cidaris?
Pricing varies among Cidaris cidaris alternatives. We recommend checking each alternative's website for current pricing. Many options in the Sea Urchin category offer free tiers or competitive pricing.
How are Cidaris cidaris alternatives ranked on Lunoo?
Lunoo uses an AI-powered scoring system that analyzes category fit, feature coverage, pricing signals, public reception, recency, and value to provide 0 to 10 scores. Rankings are updated continuously.
Cidaris cidaris vs Phyllacanthus imperialis: which is better?
Cidaris cidaris scores 7.4/10 while Phyllacanthus imperialis scores 8.1/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.
Cidaris cidaris vs Eucidaris galapagensis: which is better?
Cidaris cidaris scores 7.4/10 while Eucidaris galapagensis scores 7.6/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.
Cidaris cidaris vs Eucidaris thouarsii: which is better?
Cidaris cidaris scores 7.4/10 while Eucidaris thouarsii scores 7.5/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

category Explore Related Categories

Atlantic Pencil Living Deepwater Sea Urchin Cidaroid

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