''Eoborus rotundus'' is a
fossil species of air-breathing
land snail
A land snail is any of the numerous species of snail that live on land, as opposed to the sea snails and freshwater snails. ''Land snail'' is the common name for terrestrial gastropod mollusks that have shells (those without shells are known as ...
, a
terrestrial pulmonate
Pulmonata or pulmonates, is an informal group (previously an order, and before that a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group includ ...
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 in the family
Strophocheilidae
Strophocheilidae is a taxonomic family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Acavoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
Fossil record
The genus '' E ...
, from the Paleocene
Itaboraí Basin, Brazil.
''Eoborus rotundus'' is a small species for the
genus ''
Eoborus
''Eoborus'' is a fossil genus of medium-sized air-breathing land snails, terrestrial pulmonate gastropods in the family Strophocheilidae. ''Eoborus'' is the oldest fossil record of Strophocheilidae, dating from the Middle Paleocene of Brazil ( ...
'', and the shell has a more rounded shape than average for the genus, a feature reflected in its species name.
References
Strophocheilidae
Paleocene gastropods
{{Strophocheilidae-stub