The family Gryllidae contains the subfamilies and genera which entomologists now term true crickets. Having long, whip-like antennae, they belong to the Orthopteran suborder Ensifera, which has been greatly reduced in the last 100 years : taxa such as the spider-crickets and allies, sword-tail crickets, wood or ground crickets and scaly crickets have been elevated to family level. The type genus is Gryllus and the first use of the family name "Gryllidae" was by Francis Walker.
Franz von Leydig, also Franz Leydig, was a German zoologist and comparative anatomist.
Calyptronoma is a genus in the palm family, native to the Greater Antilles. They have pinnately compound leaves with short petioles. The name was coined by August Grisebach who first described the genus in his 1846 Flora of the British West Indian Islands.
Calyptronoma rivalis is a pinnately compound leaved palm species that is native to the Caribbean islands of Hispaniola and Puerto Rico. Its common names include palma de manaca and Puerto Rican manac.
Corbicula is a genus of freshwater and brackish water clams, aquatic bivalve mollusks in the family Cyrenidae, the basket clams. The genus name is the Neo-Latin diminutive of Latin corbis, a basket, referring to the shape and ribs of the shell.
Hypena is a genus of moths in the family Erebidae. It was first described by Franz von Paula Schrank in 1802. These non-migratory moths overwinter as pupae and almost never estivate as adults.
Drymaeus is a large genus of medium-sized air-breathing, tropical land snails, terrestrial pulmonate gastropod molluscs in the subfamily Peltellinae of the family Bulimulidae.
Omphalotropis is a genus of minute salt marsh snails with an operculum, terrestrial gastropod mollusks in the subfamily Omphalotropidinae of the family Assimineidae.
Thiaridae, common name thiarids or trumpet snails, is a family of tropical freshwater snails with an operculum, aquatic gastropod mollusks in the superfamily Cerithioidea.
Aplexa is a genus of small, left-handed or sinistral, air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Physidae.
Cyclophorus is a genus of operculate land snails, terrestrial gastropod mollusks in the family Cyclophoridae.
The Rhabditidae are a family of nematodes which includes the model organism Caenorhabditis elegans.
Copelatus rivalis is a species of diving beetle. It is part of the genus Copelatus in the subfamily Copelatinae of the family Dytiscidae. It was described by Félix Guignot in 1952.
Ardeadactylus is an extinct genus of ctenochasmatoid pterosaur known from the Late Jurassic Solnhofen limestone of Bavaria, southern Germany. It contains a single species, Ardeadactylus longicollum, which was originally thought to be a species of Pterodactylus, as P. longicollum.
Daphnia is one of the three subgenera of the genus Daphnia, the others being Australodaphnia and Ctenodaphnia.
Diplogastridae, formerly Diplogasteridae, are a family of nematodes (roundworms) known from a wide range of habitats, often in commensal or parasitic associations with insects.
Lonchodidae is a family of stick insects, with more than 150 genera and 1,000 described species.
Asplanchna is a genus of rotifers belonging to the family Asplanchnidae.
