Agathistoma nordestinum

Agathistoma nordestinum
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Trochida
Superfamily:	Trochoidea
Family:	Tegulidae
Genus:	Agathistoma
Species:	A. nordestinum
Binomial name
	Agathistoma nordestinum; Dornellas, Gabroski, Hellberg & Lotufo, 2021

Agathistoma nordestinum is a species of sea snail, a marine gastropod mollusk in the family Tegulidae.^[1] It is endemic to Brazil, and is known to occur in the northeastern region of the country.

Distribution

Agathistoma nordestinum occurs in northeastern Brazil, from the state of Maranhão to Bahia, and is usually found between rocks at 1–2 meters during the low tide.^[1]

Description and etymology

The shell of this species has five whorls and attains 13 mm in height, with a maximum width of 10 mm. It is globose, with a rounded profile between the spire and base and has a marked keel forming a slight shoulder. It is coloured yellow cream at the base, with axially aligned irregular dark brownish or light brown blotches.^[1] The specific epithet nordestinum is a reference to Northeast Brazil. In Portuguese, people born in this region are called nordestinos.^[1]

References

1 2 3 4 Dornellas, Ana P.; Graboski, Roberta; Hellberg, Michael E.; Lotufo, Tito M. C. (2022). "Phylogeography of Agathistoma (Turbinidae, Tegulinae) snails in tropical and southwestern Atlantic". Zoologica Scripta. 51 (1): 76–90. doi:10.1111/zsc.12517. S2CID 243902047.

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[Dornellasetal2022-1] 1 2 3 4 Dornellas, Ana P.; Graboski, Roberta; Hellberg, Michael E.; Lotufo, Tito M. C. (2022). "Phylogeography of Agathistoma (Turbinidae, Tegulinae) snails in tropical and southwestern Atlantic". Zoologica Scripta. 51 (1): 76–90. doi:10.1111/zsc.12517. S2CID 243902047.

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