The Hydroscaphidae are a small family of water beetles known commonly as skiff beetles. As of 2010, there are 23 species in the family. Several are recently described.
Myxophaga is the second-smallest suborder of the Coleoptera after Archostemata, consisting of roughly 65 species of small to minute beetles in four families. The members of this suborder are aquatic and semiaquatic, and feed on algae.
Nosodendridae is a family of beetles, with less than a hundred species in three extant genera, which are found worldwide. Nosodendron, the largest genus, is found in forests and attracted to yeast generated slime on the wounds of trees, and likely consumes fermented substances as well as fungi and microorganisms. Several additional genera and species are known from the fossil record. Nosodendridae is considered to be an isolated lineage within Polyphaga, being the sister group to the clade containing Staphyliniformia, Bostrichoidea and Cucujiformia.
Gryllica prava is a species of beetle in the family Cerambycidae. It was described by Lane in 1973. It is known from Brazil.
Helobata is a mostly Neotropical genus of water scavenger beetle in the family Hydrophilidae. It contains 13 described species, one of which is broadly distributed, reaching North America.
Acidocerinae is a subfamily in the family Hydrophilidae of aquatic beetles, and it contains over 500 species in 23 genera.
Chasmogenus is a Neotropical genus of water scavenger beetles belonging to the family Hydrophilidae.
Nosodendron is a genus of wounded-tree beetles in the family Nosodendridae. There are more than 70 described species in Nosodendron.
Vallichlora is a genus of butterflies belonging to the family Geometridae.
Hydroscapha monticola, is a species of skiff beetle native to India and Sri Lanka.
Agathidium akallebregma is a species of round fungus beetle in the family Leiodidae. It is found in North America. It is named from the Greek words akalles, meaning ‘‘ugly’’, and bregma, meaning ‘‘face’’, for the unusually shaped anterior portion of the head in this species. It has a mandibular horn, moderately elongate body shape, and strongly concave posterior portion of the mesosternum.
Aulonochares is a Neotropical genus of water scavenger beetle in the family Hydrophilidae represented by three described species known from the Guiana Shield Region.
Crucisternum is a Neotropical genus of water scavenger beetle in the family Hydrophilidae represented by seven described species known from the Guiana Shield Region.
Globulosis is a Neotropical genus of water scavenger beetle in the family Hydrophilidae represented by two described species known from the Guiana Shield Region.
Katasophistes is a Neotropical genus of water scavenger beetle in the family Hydrophilidae represented by four described species known from the Guiana Shield Region.
Primocerus is a Neotropical genus of water scavenger beetle in the family Hydrophilidae represented by nine described species known from the Guiana Shield Region.
Radicitus is a Neotropical genus of water scavenger beetle in the family Hydrophilidae represented by three described species known from the Guiana Shield Region.
Tobochares is a Neotropical genus of water scavenger beetles in the family Hydrophilidae represented by 24 described species known from the Guiana Shield Region.
Ancistrus patronus is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Orinoco basin in Venezuela. The species reaches at least 8.6 cm SL and was described in 2019 by Lesley S. de Souza of the Field Museum of Natural History, Donald C. Taphorn of the Royal Ontario Museum, and Jonathan Armbruster of Auburn University alongside five other species of Ancistrus. Its specific name means "defender" in Latin and was given to the species due to the reported tendency of male A. patronus to actively guard their nests and protect their young until they are relatively large.
Astyanax boliviensis is a small species of fish native to a handful of rivers in northern Bolivia. Its scientific name is an allusion to its range, which includes the Candelaria, Madidi, and Mamoré rivers. Though it lacks a conservation status from the IUCN, a significant portion of its habitat is contained within the Madidi National Park, one of the largest protected regions in the world.
