''Tectus'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
sea snail
Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...
s,
marine
Marine is an adjective meaning of or pertaining to the sea or ocean.
Marine or marines may refer to:
Ocean
* Maritime (disambiguation)
* Marine art
* Marine biology
* Marine debris
* Marine habitats
* Marine life
* Marine pollution
Military
* ...
gastropod
The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
mollusk
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...
s in the
family
Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...
Tegulidae
Tegulidae is a family of small to large sea snails, marine gastropod mollusks in the superfamily Trochoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).Bouchet, P. (2013). Tegulidae Kuroda, Habe & Oyama, 1971. Access ...
.
Description
The shell has a pyramidal shape. Its base is flat, without false-umbilicus. The rhomboidal
aperture
In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane.
An opt ...
is very oblique, angular, and wider than long. The outer
lip
The lips are the visible body part at the mouth of many animals, including humans. Lips are soft, movable, and serve as the opening for food intake and in the articulation of sound and speech. Human lips are a tactile sensory organ, and can be ...
is lirate within. The
columella
Lucius Junius Moderatus Columella (; Arabic: , 4 – ) was a prominent writer on agriculture in the Roman Empire.
His ' in twelve volumes has been completely preserved and forms an important source on Roman agriculture, together with the wo ...
is very short, vertical, with a strong spiral fold, ending anteriorly in a knob or point.
Distribution
This marine genus has a wide distribution. It occurs in the
Persian Gulf
The Persian Gulf ( fa, خلیج فارس, translit=xalij-e fârs, lit=Gulf of Persis, Fars, ), sometimes called the ( ar, اَلْخَلِيْجُ ٱلْعَرَبِيُّ, Al-Khalīj al-ˁArabī), is a Mediterranean sea (oceanography), me ...
, the
Red Sea
The Red Sea ( ar, البحر الأحمر - بحر القلزم, translit=Modern: al-Baḥr al-ʾAḥmar, Medieval: Baḥr al-Qulzum; or ; Coptic: ⲫⲓⲟⲙ ⲛ̀ϩⲁϩ ''Phiom Enhah'' or ⲫⲓⲟⲙ ⲛ̀ϣⲁⲣⲓ ''Phiom ǹšari''; T ...
, in the Central and East Indian Ocean and off
East Africa
East Africa, Eastern Africa, or East of Africa, is the eastern subregion of the African continent. In the United Nations Statistics Division scheme of geographic regions, 10-11-(16*) territories make up Eastern Africa:
Due to the historical ...
,
Oceania
Oceania (, , ) is a region, geographical region that includes Australasia, Melanesia, Micronesia, and Polynesia. Spanning the Eastern Hemisphere, Eastern and Western Hemisphere, Western hemispheres, Oceania is estimated to have a land area of ...
, Indo-China, Indo-Malaysia, the
Philippines
The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no),
* bik, Republika kan Filipinas
* ceb, Republika sa Pilipinas
* cbk, República de Filipinas
* hil, Republ ...
, East
India
India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
, Australia (
New South Wales
)
, nickname =
, image_map = New South Wales in Australia.svg
, map_caption = Location of New South Wales in AustraliaCoordinates:
, subdivision_type = Country
, subdivision_name = Australia
, established_title = Before federation
, es ...
,
Northern Territory
The Northern Territory (commonly abbreviated as NT; formally the Northern Territory of Australia) is an states and territories of Australia, Australian territory in the central and central northern regions of Australia. The Northern Territory ...
,
Queensland
)
, nickname = Sunshine State
, image_map = Queensland in Australia.svg
, map_caption = Location of Queensland in Australia
, subdivision_type = Country
, subdivision_name = Australia
, established_title = Before federation
, established_ ...
,
Western Australia
Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...
),
Kermadec Islands
The Kermadec Islands ( mi, Rangitāhua) are a subtropical island arc in the South Pacific Ocean northeast of New Zealand's North Island, and a similar distance southwest of Tonga. The islands are part of New Zealand. They are in total are ...
,
New Caledonia
)
, anthem = ""
, image_map = New Caledonia on the globe (small islands magnified) (Polynesia centered).svg
, map_alt = Location of New Caledonia
, map_caption = Location of New Caledonia
, mapsize = 290px
, subdivision_type = Sovereign st ...
,
Anadaman Islands.
Species
Species within the genus ''Tectus'' include:
* † ''
Tectus altavillensis''
(Defrance, 1828)
* ''
Tectus architectonicus''
A. Adams, 1853
* † ''
Tectus athenasi''
(Vasseur, 1882)
* † ''
Tectus aulacophorus''
(Cossmann & Pissarro, 1905)
* † ''
Tectus bareti
''Tectus'' is a genus of sea snails, marine gastropod mollusks in the family Tegulidae.
Description
The shell has a pyramidal shape. Its base is flat, without false-umbilicus. The rhomboidal aperture is very oblique, angular, and wider than long ...
''
(Vasseur, 1882)
* † ''
Tectus bourdoti
''Tectus'' is a genus of sea snails, marine gastropod mollusks in the family Tegulidae.
Description
The shell has a pyramidal shape. Its base is flat, without false-umbilicus. The rhomboidal aperture is very oblique, angular, and wider than long ...
''
(Cossmann & Pissarro, 1902)
* † ''
Tectus branderi
''Tectus'' is a genus of sea snails, marine (ocean), marine gastropod mollusks in the family (biology), family Tegulidae.
Description
The shell has a pyramidal shape. Its base is flat, without false-umbilicus. The rhomboidal Aperture (mollusc), ...
''
(Defrance, 1828)
* † ''
Tectus britannus''
(Vasseur, 1882)
* † ''
Tectus chavani''
Glibert, 1962
* † ''
Tectus chenui''
Le Renard, 1994
* † ''
Tectus cognatus''
(J. de C. Sowerby, 1840)
* † ''
Tectus crenularis''
(Lamarck, 1804)
* ''
Tectus (Tectus) dentatus''
(Forskål in Niebuhr, 1775)
* † ''
Tectus extraconicus''
Gain, Belliard & Le Renard, 2019
* ''
Tectus fabrei''
(Montrouzier in Fischer, 1878)
* ''
Tectus fenestratus''
(Gmelin, 1791)
* † ''
Tectus fluctus''
Gain, Belliard & Le Renard, 2019
* † ''
Tectus fredevillensis''
Gain, Belliard & Le Renard, 2019
* † ''
Tectus funiculosus''
(Deshayes, 1832)
* † ''
Tectus gabrielis''
(d'Orbigny, 1850)
* † ''
Tectus gervillii''
Gain, Belliard & Le Renard, 2019
* † ''
Tectus leae''
Gain, Belliard & Le Renard, 2019
* † ''
Tectus margaritaceus''
(Deshayes, 1832)
* ''
Tectus mauritianus''
(Gmelin, 1791)
* † ''
Tectus monilifer''
(Lamarck, 1804)
* † ''
Tectus montissanctipetri''
(Binkhorst, 1861)
* † ''
Tectus morgani'' (Cossmann & Pissarro, 1905)
* ''
Tectus noduliferus'
' (Lamarck, 1822)
* † ''
Tectus ornatus''
(Lamarck, 1804)
* † ''
Tectus planibasis''
Gain, Belliard & Le Renard, 2019
* ''
Tectus pyramis''
(Born, 1778)
* † ''
Tectus richardi''
Gain, Belliard & Le Renard, 2019
* ''
Tectus royanus''
(Iredale, 1912)
* † ''
Tectus spinalis''
Gain, Belliard & Le Renard, 2019
* † ''
Tectus subcanaliculatus''
(Deshayes, 1863)
* † ''
Tectus torticostulus''
Gain, Belliard & Le Renard, 2019
* ''
Tectus triserialis''
(Lamarck, 1822)
;Species brought into synonymy :
* ''Tectus concavus''
(Gmelin, 1791): synonym of ''
Infundibulum concavum''
(Gmelin, 1791)
* ''Tectus conus''
(Gmelin, 1791): synonym of ''
Rochia conus
''Rochia conus'', common name the cone top shell, is a species of sea snail, a marine gastropod mollusk in the family Tegulidae.MolluscaBase eds. (2022). MolluscaBase. Rochia conus (Gmelin, 1791). Accessed through: World Register of Marine Sp ...
''
(Gmelin, 1791)
* ''Tectus elatus''
(Lamarck, 1822): synonym of ''
Rochia elata
''Rochia elata'' is a species of sea snail, a marine gastropod mollusk in the family Tegulidae.MolluscaBase eds. (2022). MolluscaBase. Rochia elata (Lamarck, 1822). Accessed through: World Register of Marine Species at: https://www.marinespeci ...
''
(Lamarck, 1822)
* ''Tectus magnificus''
Poppe, 2004: synonym of ''
Rochia magnifica
''Rochia magnifica'' is a species of sea snail, a marine gastropod mollusk in the family Tegulidae.MolluscaBase eds. (2022). MolluscaBase. Rochia magnifica (Poppe, 2004). Accessed through: World Register of Marine Species at: https://www.marin ...
''
(Poppe, 2004)
* ''Tectus maximus''
(Koch in Philippi, 1844): synonym of ''
Rochia maxima
''Rochia maxima'' is a species of sea snail, a marine gastropod mollusk in the family Tegulidae.MolluscaBase eds. (2022). MolluscaBase. Rochia maxima (Koch, 1844). Accessed through: World Register of Marine Species at: https://www.marinespecie ...
''
(Koch, 1844)
* ''Tectus niloticus''
(Linnaeus, 1767): synonym of ''
Rochia nilotica
''Rochia nilotica'', common name the commercial top shell, is a species of sea snail, a marine gastropod mollusk in the family Tegulidae.MolluscaBase eds. (2022). MolluscaBase. Rochia nilotica (Linnaeus, 1767). Accessed through: World Register ...
''
(Linnaeus, 1767)
* ''Tectus pagodalis''
Montfort, 1810: synonym of ''Tectus mauritianus''
(Gmelin, 1791)
* ''Tectus tentorium''
(Gmelin, 1791): synonym of ''
Trochus tentorium''
Gmelin, 1791
* ''Tectus tabidus''
Reeve, L.A., 1861: synonym of ''Tectus pyramis''
(Born, 1778)
* ''Tectus virgatus''
(Gmelin, 1791):
synonym of ''
Rochia virgata
''Rochia virgata'', common name the striped top shell, is a species of sea snail, a marine gastropod mollusk in the family Tegulidae.MolluscaBase eds. (2022). MolluscaBase. Rochia virgata (Gmelin, 1791). Accessed through: World Register of Mar ...
''
(Gmelin, 1791)
References
* Vaught, K.C. (1989). ''A classification of the living Mollusca''. American Malacologists: Melbourne, FL (USA). . XII, 195 pp
* Williams S.T., Karube S. & Ozawa T. (2008) ''Molecular systematics of Vetigastropoda: Trochidae, Turbinidae and Trochoidea redefined''. Zoologica Scripta 37: 483–506
External links
Montfort P. (Denys de). (1808-1810). Conchyliologie systématique et classification méthodique des coquilles. Paris: Schoell. Vol. 1: pp. lxxxvii + 409 [1808]. Vol. 2: pp. 676 + 16Schumacher, C. F. (1817). Essai d'un nouveau système des habitations des vers testacés. Schultz, Copenghagen. iv + 288 pp., 22 pls.Swainson, W. (1840). A treatise on malacology or shells and shell-fish. London, Longman. viii + 419 pp
{{Commons category
Tegulidae
Gastropod genera