Monotypic Adephaga genera

Spanglerogyrus albiventris is a species of beetle in the family Gyrinidae, the only species in the genus Spanglerogyrus. It is native to North America, and was described in 1979 from specimens found in southern Alabama. It is the only living member of the subfamily Spanglerogyrinae, the earliest diverging extant lineage of the gyrinids which also includes Angarogyrus from the Jurassic and Cretaceous of Asia.

Apteroessa grossa is a species of tiger beetles in the family Cicindelidae, the sole species in the genus Apteroessa and described on the basis of a specimen from the Coromandel region (Tranquebar) in southern India. It is somewhat large (about one and a half inches long) and robust, and is among the few tiger beetles with highly reduced wings (aptery) making them flightless. There are three known specimens in museums, with varying degrees of damage. The species has not been seen in the wild after its description in the 18th century and is thought to be extremely local in distribution.

Borneodessus zetteli is a species of beetles in the family Dytiscidae, the only species in the genus Borneodessus.

Eurymorpha is a genus of tiger beetles. This genus has a single species, Eurymorpha cyanipes. It is found in the African countries Angola and Namibia.

Picnochile is a genus of beetles in the family Cicindelidae. This genus has a single species, Picnochile fallaciosa. It is found in Argentina and Chile.

Platychile pallida is a species of beetle in the family Cicindelidae, the only species in the genus Platychile.

Opisthencentrus is a genus of tiger beetles. This genus has a single species, Opisthencentrus dentipennis. It is found in Brazil.

Darlingtonica papua is a species of beetle in the family Cicindelidae, the only species in the genus Darlingtonica.

Dromicoida elegantia is a species of beetles in the family Cicindelidae, the only species in the genus Dromicoida.

Comaldessus stygius is a species of beetles in the family Dytiscidae, the only species in the genus Comaldessus.

Calicovatellus is an extinct genus of dytiscid beetle in the subfamily Hydroporinae. , only one species is recognized, Calicovatellus petrodytes. It was found in the Barstow Formation in southern California and dates to the Miocene.

Crinodessus is a genus of predaceous diving beetles in the family Dytiscidae. This genus has a single species, Crinodessus amyae, which has been found in Texas.

Mantica horni is a species of beetle in the family Cicindelidae, the only species in the genus Mantica.

Parahygrobia natans is an extinct species of adephagan beetle. It is the only member of the genus Parahygrobia and family Parahygrobiidae. It is known only from larvae from the Late Jurassic of Russia. Cladistic analysis has placed it as the sister group to extant Hygrobiidae.

Oxygoniola is a genus of tiger beetles. This genus has a single species, Oxygoniola chamaeleon. It is found in Indonesia.

Andex is a genus of predaceous diving beetles in the family Dytiscidae. This genus has a single species, Andex insignis.

Coelhydrus is a genus of predaceous diving beetles in the family Dytiscidae. This genus has a single species, Coelhydrus brevicollis. It is found in South Africa.

Carabdytes is a genus of predaceous diving beetles in the family Dytiscidae. Carabdytes upin was formerly the sole species of this genus, but nine species in the genus Rhantus were transferred to Carabdytes as a result of research published by Balke et al. in 2017.

Bunites distigma is a species of beetles in the family Dytiscidae, the only species in the genus Bunites.

Algophilus lathridioides is a species of beetles in the family Haliplidae, the only species in the genus Algophilus. Its range includes parts of South Africa.

Heterogyrus milloti is a species of beetle in the family Gyrinidae, the only species in the genus Heterogyrus. It is endemic to Madagascar.

Typhlodessus monteithi is a species of beetles in the family Dytiscidae, the only species in the genus Typhlodessus.

Kuschelydrus phreaticus is a species of beetles in the family Dytiscidae, the only species in the genus Kuschelydrus.

Macfarlandia is a genus of tiger beetles with a single species, Macfarlandia arachnoides. Tiger beetles are placed either in the family Carabidae or in their own family, Cicindelidae, depending on the author.

Aspidytes is a genus of aquatic beetles in the family Aspidytidae, first recorded in 2002 from specimens in South Africa. The genus contains the single species Aspidytes niobe. Originally a second species from China was placed in the same genus but has later been transferred to Sinaspidytes. The aquatic beetle is 6.5 - 7.2 mm long and lives in hygropetric habitats.