''Onobops'' 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 very small

aquatic Aquatic means relating to water; living in or near water or taking place in water; does not include groundwater, as "aquatic" implies an environment where plants and animals live. Aquatic(s) may also refer to: * Aquatic animal, either vertebrate ...

snail A snail is a shelled gastropod. The name is most often applied to land snails, terrestrial molluscs, terrestrial pulmonate gastropod molluscs. However, the common name ''snail'' is also used for most of the members of the molluscan class Gas ...

operculate An operculum (; ) is a corneous or calcareous anatomical structure like a trapdoor that exists in many (but not all) groups of sea snails and freshwater snails, and also in a few groups of land snails, including the Helicinidae, Cyclophoridae, A ...

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

s in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Cochliopidae Cochliopidae is a family of small freshwater snails with gills and an operculum, aquatic gastropod mollusks. Paludestrina d'Orbigny, 1840 is an archaic synonym, and has been placed on the Official Index of Rejected and Invalid Names by ICZN O ...

Wesselingh F. P., Anderson L. C. & Kadolsky D. (2006). "Molluscs from the Miocene Pebas Formation of Peruvian and Colombian Amazonia". ''

Scripta Geologica ''Scripta Geologica'' is a peer-reviewed scientific journal that publishes on vertebrate and invertebrate palaeontology, palaeobotany/palynology, stratigraphy, petrology, and mineralogy, including gemmology with a focus on systematics. It is publis ...

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Hydrobiidae Hydrobiidae, commonly known as mud snails, is a large cosmopolitan family of very small freshwater and brackish water snails with an operculum, in the order Littorinimorpha.MolluscaBase eds. (2024). MolluscaBase. Hydrobiidae W. Stimpson, 1865. ...

Species

Species within the genus ''Onobops'' include: * † '' Onobops bispiralis'' Wesselingh, Anderson & Kadolsky, 2006 - from Middle Miocene to early Late Miocene of the

Pebas Formation The Pebas Formation is a stratigraphic unit#Lithostratigraphic units, lithostratigraphic unit of Miocene age, found in western Amazon rainforest, Amazonia. The geological formation, formation extends over , including parts of Brazil, Peru, Ecuador ...

* † ''Onobops''? ''bisulcatus'' Wesselingh, Anderson & Kadolsky, 2006 - from late Early Miocene to Middle Miocene of the Pebas Formation * † '' Onobops communis'' Wesselingh, Anderson & Kadolsky, 2006 - from Middle Miocene to early Late Miocene of the Pebas Formation * '' Onobops crassus'' F. G. Thompson, 1968 - type species * † '' Onobops elongoides'' Wesselingh, Anderson & Kadolsky, 2006 - from late Early Miocene to Middle Miocene of the Pebas Formation * † ''Onobops''? ''erectus'' Wesselingh, Anderson & Kadolsky, 2006 - from Middle Miocene to early Late Miocene of the Pebas Formation * † ''Onobops''? ''iquitensis'' Wesselingh, Anderson & Kadolsky, 2006 - from Middle Miocene of the Pebas Formation * '' Onobops jacksoni'' (Bartsch, 1953) * † '' Onobops microconvexus'' Wesselingh, Anderson & Kadolsky, 2006 - from late Middle Miocene to early Middle Miocene of the Pebas Formation * † '' Onobops minissimus'' Wesselingh, Anderson & Kadolsky, 2006 - from late Miocene to early Late Miocene of the Pebas Formation * † '' Onobops ventricosus'' Wesselingh, Anderson & Kadolsky, 2006 - from Middle Miocene to early Late Miocene of the Pebas Formation

References

Cochliopidae Hydrobiidae {{Cochliopidae-stub