''Habeastrum'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of minute diplommatinid pulmonate gastropods, endemic to

limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...

caves in

Mato Grosso do Sul Mato Grosso do Sul () is one of the Midwestern states of Brazil. Neighboring Brazilian states are (from north clockwise) Mato Grosso, Goiás, Minas Gerais, São Paulo and Paraná. It also borders the countries of Paraguay, to the southwest, and ...

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

. It is represented by two sympatric species, ''

Habeastrum omphalium ''Habeastrum'' is a genus of minute diplommatinid pulmonate gastropods, endemic to limestone caves in Mato Grosso do Sul, Brazil. It is represented by two sympatric species, '' Habeastrum omphalium'' and '' Habeastrum parafusum''. This genus ...

'' and ''

Habeastrum parafusum ''Habeastrum'' is a genus of minute diplommatinid pulmonate gastropods, endemic to limestone caves in Mato Grosso do Sul, Brazil. It is represented by two sympatric species, ''Habeastrum omphalium'' and '' Habeastrum parafusum''. This genus h ...

''. This genus has thus far been recorded only from dry material at the type locality of Gruta Pitangueiras (21°06’37”S 56°34’52”W),

Bonito Bonitos are a tribe of medium-sized, ray-finned predatory fish in the family Scombridae – a family it shares with the mackerel, tuna, and Spanish mackerel tribes, and also the butterfly kingfish. Also called the tribe Sardini, it consists of ...

, Mato Grosso do Sul, Brazil. The genus name ''Habeastrum'' is derived from the Brazilian diplommatinid genus ''Habeas,'' subjected to a diminutive

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...

suffix In linguistics, a suffix is an affix which is placed after the stem of a word. Common examples are case endings, which indicate the grammatical case of nouns, adjectives, and verb endings, which form the conjugation of verbs. Suffixes can carry ...

, as a reference to the comparative dimensions of the new genus.

References

{{taxonbar, from=Q60558964 Diplommatinidae Endemic fauna of Brazil Cave snails