''Habeastrum'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of minute diplommatinid pulmonate gastropods, endemic to

limestone Limestone is a type of carbonate rock, carbonate sedimentary rock which is the main source of the material Lime (material), lime. It is composed mostly of the minerals calcite and aragonite, which are different Polymorphism (materials science) ...

caves in

Mato Grosso do Sul Mato Grosso do Sul ( ) is one of Federative units of Brazil, Brazil's 27 federal units, located in the southern part of the Central-West Region, Brazil, Central-West Region, bordering five Brazilian states: Mato Grosso (to the north), Goiás and ...

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

. It is represented by two sympatric species, '' Habeastrum omphalium'' and '' Habeastrum parafusum''. 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, which 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 languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...

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 and adjectives, and verb endings, which form the conjugation of verbs. Suffixes can ca ...

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

References

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