''Puncturella agger'' is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...

, a marine

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Fissurellidae, the keyhole limpets.MolluscaBase eds. (2020). MolluscaBase. Puncturella agger R. B. Watson, 1883. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=865230 on 2020-09-24

Description

The shell can grow to be 6 mm in length.

Distribution

This species occurs in the

Gulf of Mexico The Gulf of Mexico ( es, Golfo de México) is an oceanic basin, ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent. It is bounded on the northeast, north and northwest by the Gulf Coast of ...

and off

Puerto Rico Puerto Rico (; abbreviated PR; tnq, Boriken, ''Borinquen''), officially the Commonwealth of Puerto Rico ( es, link=yes, Estado Libre Asociado de Puerto Rico, lit=Free Associated State of Puerto Rico), is a Caribbean island and Unincorporated ...

at depths between 249 m and 1966 m

References

* Rosenberg, G., F. Moretzsohn, and E. F. García. 2009. Gastropoda (Mollusca) of the Gulf of Mexico, Pp. 579–699 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas

External links

Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System

Watson R.B. (1879-1883). Mollusca of H.M.S. 'Challenger' Expedition. Journal of the Linnean Society (London). 14: 506-529, 586-605, 692-716 [1879
15: 87-126, 217-230 [1880">879">Watson R.B. (1879-1883). Mollusca of H.M.S. 'Challenger' Expedition. Journal of the Linnean Society (London). 14: 506-529, 586-605, 692-716 [1879
15: 87-126, 217-230 [1880 245-274, 388-412, 413-455, 457-475 [1881]; 16: 247-254, 324-343, 358-372, 373-392 [1882], 594-611 [1883]; 17: 26-40, 112-130, 284-293, 319-340, 341-346]
Pérez Farfante, I. (1947). The genera Zeidora, Nesta, Emarginula, Rimula and Puncturella in the western Atlantic. Johnsonia. 2: 93-148

* [https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/1605/5667 Serge GOFAS, Ángel A. LUQUE, Joan Daniel OLIVER,José TEMPLADO & Alberto SERRA (2021) - The Mollusca of Galicia Bank (NE Atlantic Ocean); European Journal of Taxonomy 785: 1–114] Fissurellidae Gastropods described in 1883 {{Fissurellidae-stub