swap_horiz Toxaster retusus Alternatives
Looking for alternatives to Toxaster retusus? Compare the top Sea Urchin options ranked by our AI scoring system.
Toxaster retusus
Toxaster retusus is an extinct Cretaceous heart urchin species in Toxaster, a deposit-feeding irregular echinoid genus of shallow marine sediments.
apps Top Toxaster retusus Alternatives
The top alternative to Toxaster retusus in 2026 is Micraster coranguinum with a score of 8.5/10, followed by Echinocardium cordatum (8.4) and Bothriocidaris (8.4).
Micraster coranguinum
Micraster coranguinum is an extinct species of heart urchin—a type of irregular sea urchin—from the Late Cretaceous peri...
Echinocardium cordatum
Echinocardium cordatum, commonly known as the heart urchin or sea potato, is a species of burrowing sea urchin in the fa...
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...
Sea Potato (Echinocardium cordatum)
Echinocardium cordatum, commonly called the sea potato, is a species of irregular sea urchin in the order Spatangoida th...
Hardouinia mortonis
Hardouinia mortonis is an extinct species of cassiduloid sea urchin that lived during the Late Cretaceous period. Its fo...
Melonechinus
Melonechinus is an extinct genus of echinoids, the group that includes sea urchins, known from Carboniferous fossil depo...
Spatangus purpureus
Spatangus purpureus is a species of irregular sea urchin in the family Spatangidae, first described by the Danish natura...
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...
Micraster leskei
Micraster leskei is an extinct species of irregular sea urchin, classified within the heart urchin group, that existed d...
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...
Discoides subuculus
Discoides subuculus is an extinct species of irregular sea urchin (echinoid) from the Cretaceous period, known primarily...
Holectypus depressus
Holectypus depressus is an extinct holectypoid sea urchin named by Leske in 1778, notable as a Jurassic fossil found in...
Hemiaster bufo
Hemiaster bufo is an extinct species of irregular sea urchin known from Cretaceous rocks. It belongs to the family Hemia...
Micraster glyphus
Micraster glyphus is an extinct irregular sea urchin from the genus Micraster, a group commonly represented in Late Cret...
Heterodiadema libycum
Heterodiadema libycum is an extinct species of echinoid, the group that includes sea urchins, assigned to the prehistori...
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