swap_horiz Melonechinus Alternatives
Looking for alternatives to Melonechinus? Compare the top Sea Urchin options ranked by our AI scoring system.
Melonechinus
Melonechinus is an extinct genus of echinoids, the group that includes sea urchins, known from Carboniferous fossil deposits. Its fossil remains represent the rigid test, or shell-like skeleton, of an ancient sea urchin rather than a living marine animal. The genus is studied in palaeontology as par...
apps Top Melonechinus Alternatives
The top alternative to Melonechinus in 2026 is Micraster coranguinum with a score of 8.5/10, followed by Bothriocidaris (8.4) and Micraster cortestudinarium (8.2).
Micraster coranguinum
Micraster coranguinum is an extinct species of heart urchin—a type of irregular sea urchin—from the Late Cretaceous peri...
Bothriocidaris
Bothriocidaris is an extinct genus of sea urchin known from Ordovician marine rocks. It represents one of the earliest r...
Micraster cortestudinarium
Micraster cortestudinarium is an extinct species of heart urchin, a type of sea urchin, that lived during the Late Creta...
Archaeocidaris
Archaeocidaris is an extinct genus of echinoids, or sea urchins, known from the Late Devonian through the Late Permian o...
Echinocorys scutata
Echinocorys scutata is an extinct species of irregular sea urchin that existed during the Late Cretaceous to Paleocene p...
Holaster subglobosus
Holaster subglobosus is an extinct species of heart urchin, a type of irregular echinoid that existed during the Cretace...
Conulus albogalerus
Conulus albogalerus is an extinct species of irregular sea urchin that lived during the Late Cretaceous period. It is co...
Archaeocidaris brownwoodensis
Archaeocidaris brownwoodensis is an extinct species of cidaroid sea urchin that lived during the Carboniferous period, a...
Tylocidaris clavigera
Tylocidaris clavigera is an extinct species of cidaroid sea urchin that existed during the Cretaceous period. As a membe...
Galerites albogalerus
Galerites albogalerus is a scientific name historically assigned to an extinct species of irregular sea urchin that live...
Hemicidaris crenularis
Hemicidaris crenularis is an extinct species of regular sea urchin belonging to the family Hemicidaridae. The species wa...
Discoides subuculus
Discoides subuculus is an extinct species of irregular sea urchin (echinoid) from the Cretaceous period, known primarily...
Echinocystites pomum
Echinocystites pomum is an extinct species of echinoid, a group of marine animals that includes modern sea urchins. It l...
Palaechinus elegans
Palaechinus elegans is an extinct Paleozoic sea urchin species, notable as part of Palaechinus, one of the classic early...
Toxaster retusus
Toxaster retusus is an extinct Cretaceous heart urchin species in Toxaster, a deposit-feeding irregular echinoid genus o...
Holectypus depressus
Holectypus depressus is an extinct holectypoid sea urchin named by Leske in 1778, notable as a Jurassic fossil found in...
Bothriocidaris globulus
Bothriocidaris globulus is an Ordovician fossil sea urchin in a genus named by Eichwald in 1860, among the earliest reco...
Pseudodiadema hemisphaericum
Pseudodiadema hemisphaericum is an extinct species of regular sea urchin placed in the genus Pseudodiadema and the famil...
Hemiaster bufo
Hemiaster bufo is an extinct species of irregular sea urchin known from Cretaceous rocks. It belongs to the family Hemia...
Rhabdocidaris nobilis
Rhabdocidaris nobilis is an extinct species of cidaroid sea urchin known from the Late Jurassic Canjuers conservation La...
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