Planus

Planus is a surname of French origin. People with that name include:

Marc Planus (born 1982), French footballer
Pierre Planus (born 1979), French footballer

Planus is a Latin adjective meaning "flat" or "plain". It is part of the binomial name of several species, and of some other combination terms.

Personal honorific or nickname

Doctor Planus et utilis, a scholastic accolade awarded to the Franciscan teacher Nicholas of Lyra (c.1270–1349)

In biology

Agrypnus planus, a species of click beetle in the genus Agrypnus
Aneflus planus, a species of beetle in the family Cerambycidae
Argopatagus planus, a species of sea urchin of the family Macropneustidae
Blissus planus, a species of true bug in the genus Blissus in the family Blissidae
Botrylloides planus, a synonym of Botryllus planus
Botryllus planus, a species of colonial ascidian tunicate in the genus Botryllus in the family Styelidae
Brachys planus, a species of beetle in the genus Brachys in the family Buprestidae
Bransatoglis planus, an extinct species of dormouse
Brochocoleus planus, a species of beetle in the genus Brochocoleus in the family Ommatidae
Callionymus planus, a species of dragonet native to the shallow Pacific waters off southern Japan
Camponotus planus, a species of carpenter ant; see List of Camponotus species
Canthyporus planus, a species of beetle in the genus Canthyporus in the family Dytiscidae
Carabus perrini planus, a subspecies of beetle in the family Carabidae
Carabus planus, a synonym of Pheropsophus aequinoctialis, a ground beetle
Caracara planus, the crested caracara (also known as the carancho), a bird of prey in the family Falconidae
Catogenus planus, a species of beetle in the genus Catogenus in the family Passandridae
Cheliferoides planus, a species of spider in the genus Cheliferoides
Cleptomartus planus, a synonym of Anthracomartus hindi, an extinct species of arachnid in the genus Anthracomartus in the family Anthracomartidae
Coccophagus planus, a species of chalcid wasp in the genus Coccophagus
Copodus planus, an extinct species of cartilaginous fish; see List of prehistoric cartilaginous fish genera
Corax planus, an extinct species of shark in Corax (genus)
Craspedites planus, an extinct species of ammonoid cephalopod in the genus Craspedites
Dermestes planus, a species of beetle in the genus Dermestes in the family Dermestidae
Dicynodon planus, a synonym of Oudenodon bainii, an extinct dicynodont in the genus Oudenodon
Distichus planus, a species of beetle in the genus Distichus in the family Carabidae
Epicadus planus, a species of spider in the genus Epicadus in the family Thomisidae; see List of Thomisidae species
Eucastor planus, an extinct species of beaver found in the Hawthorn Group
Ferganosuchus planus, the type species of Ferganosuchus, an extinct genus of gavialid crocodilian
Gonicoelus planus, a species of beetle in the genus Gonicoelus in the family Biphyllidae
Grynobius planus, a species of beetle in the family Anobiidae
Heteroscyphus planus, a species of Marchantiophyta (liverwort)
Hoplobunus planus, a species of harvestman in the family Stygnopsidae
Hyalodiscus planus, a species of diatom in the genus Hyalodiscus
Hydroporus planus, a species of water beetle in the genus Hydroporus
Ischyodus planus, an extinct species of cartilaginous fish in the genus Ischyodus
Isurus planus, also known as the hook-tooth mako, an extinct mako shark that lived during the Miocene epoch
Larinus planus, a species of true weevil
Leptodius planus, a species of crab in the genus Leptodius in the family Xanthidae
Leptotrachelus planus, a species in the genus Leptotrachelus (beetle) in the family Carabidae
Lionychus planus, a species of beetle in the genus Lionychus in the family Carabidae
Metacyclops planus, a species of copepod crustacean in the genus Metacyclops in the family Cyclopidae
Microcosmus planus, a species of Microcosmus, a genus of tunicates in the family Pyuridae
Oesyperus planus, a species of beetle in the genus Oesyperus in the family Carabidae
Pachyscelus planus, a species of beetle in the genus Pachyscelus in the family Buprestidae
Palaeospheniscus planus, incorrect name for the extinct species of penguin Palaeospheniscus bergi
Pandanus planus, a synonym of Pandanus tectorius, a species of screwpine
Penestomus planus, a species of spider in the genus Penestomus
Philodromus planus, a species of philodromid crab spider in the genus Philodromus in the family Philodromidae; see List of Philodromidae species
Philophlaeus planus, a species of beetle in the genus Philophlaeus in the family Carabidae
Polydesmus planus, a species of millipede in the genus Polydesmus
Protorabus planus, a species of beetle in the subfamily Protorabinae in the family Carabidae
Psellonus planus, a species of spider in the genus Psellonus in the family Philodromidae; see List of spiders of India
Pseudaspidites planus, an extinct species of mollusc in the genus Pseudaspidites; see 2012 in molluscan paleontology
Pseudoparasitus planus, a species of mite in the genus Pseudoparasitus
Pseudospheniscus planus, incorrect name for the extinct species of penguin Palaeospheniscus bergi
Pterostichus planus, a species of ground beetle in the genus Pterostichus
Pyrnus planus, a species of spider in the genus Pyrnus in the family Trochanteriidae; see List of Trochanteriidae species
Rhipicephalus planus, a species of tick in the genus Rhipicephalus in the family Ixodidae
Senoculus planus, a species of spider in the genus Senoculus in the family Senoculidae
Sigaretornus planus, a species in the genus Tornus (gastropod)
Smerinthus planus, The oriental eyed hawkmoth, a moth of the family Sphingidae
Sphenodus planus, an extinct species of shark in the genus Sphenodus in the family Orthacodontidae
Styloniscus planus, a species of woodlouse in the genus Styloniscus
Syngonanthus planus, a species of plant in the genus Syngonanthus in the family Eriocaulaceae
Tornus planus, a synonym of Sigaretornus planus
Trachelas planus, a species of spider in the genus Trachelas in the family Trachelidae; see List of Trachelidae species
Trochus planus, a synonym of Bembicium nanum, a species of sea snail
Vetustodermis planus, a soft-bodied middle Cambrian animal, a species in the genus Vetustovermis
Wilcoxius planus, a species of robber fly (or, assassin fly) in the genus Wilcoxius in the family Asilidae; see List of Asilidae species: W

Other uses

Cantus planus, Latin for plainsong (or, plainchant), a body of chants used in the liturgies of the Western Church
Lichen planus, a disease of the skin and/or mucous membranes that resembles lichen
Pes planus, a medical term for flat feet (or, fallen arches), a postural deformity in which the arches of the foot collapse

See also