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Micrelenchus
''Micrelenchus'' is a genus of small sea snails that have shells with pearly interiors and an operculum. They are marine gastropod molluscs in the subfamily Cantharidinae of the family Trochidae, the top snails or top shells.MolluscaBase eds. (2020). MolluscaBase. Micrelenchus Finlay, 1926. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=456465 on 2020-07-25 This genus is only known to occur in New Zealand. Species Species and subspecies within the genus ''Micrelenchus'' include: * '' Micrelenchus burchorum'' (B. A. Marshall, 1998) * '' Micrelenchus huttonii'' (E. A. Smith, 1876) * '' Micrelenchus purpureus'' (Gmelin, 1791) * '' Micrelenchus sanguineus'' (Gray, 1843) * '' Micrelenchus tenebrosus'' (A. Adams, 1853) * '' Micrelenchus tesselatus'' (A. Adams, 1853) ;Species brought into synonymy: * ''Micrelenchus artizona'' (A. Adams, 1853): synonym of ''Roseaplagis artizona'' (A. Adams, 1853) * ''Micrelenchus caelatus' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Micrelenchus Tenebrosus
''Micrelenchus tenebrosus'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Micrelenchus tenebrosus (A. Adams, 1853). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=724125 on 2020-07-26 Description The shell grows to a length of 6 mm . The solid, conical shell is elevated, imperforate, and rather thick. Its color is dark bluish-black, or with a purple shade. The spire is conoidal. The sutures are slightly impressed. The apex is somewhat obtuse, a trifle eroded and whitish at the tip. The six whorls are very slightly convex, those of the spire encircled by about seven lirae of about the same width as their interstices. The body whorl The body whorl is part of the morphology of the shell in those gastropod mollusks that possess a coiled shell. The term is also sometimes used in a similar way to describe the shell of a c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Micrelenchus Sanguineus
''Micrelenchus sanguineus'' is a species of small sea snail, a marine gastropod mollusc in the family Trochidae, the top shells.MolluscaBase eds. (2020). MolluscaBase. Micrelenchus sanguineus (Gray, 1843). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=716307 on 2020-07-26 ;Subspecies: * ''Cantharidus sanguineus bakeri'' Fleming, 1948: synonym of ''Roseaplagis artizona'' A. Adams, 1853 * ''Cantharidus sanguineus'' var. ''elongatus'' Suter, 1897:synonym of ''Roseaplagis artizona'' A. Adams, 1853 * ''Cantharidus sanguineus cryptus'' (Powell, 1946): synonym of ''Micrelenchus sanguineus'' (Gray in Dieffenbach, 1843) Description The shell grows to a length of 9 mm, its diameter 7 mm. The small, imperforate shell has a conical shape. It is greenish or whitish with bloodred spots. Its sculpture consists of spiral cinguli with very narrow grooves between them, 5 to 6 on the penultimate and 10 to 14 on the body ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Micrelenchus Purpureus
''Micrelenchus purpureus'', common name the red opal top shell, is a species of medium-sized sea snail, a marine gastropod mollusc in the family Trochidae.MolluscaBase eds. (2020). MolluscaBase. Micrelenchus purpureus (Gmelin, 1791). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=876695 on 2020-07-26 Description The length of the shell varies between 16 mm and 32 mm. It grazes on seaweed. Distribution This marine species occurs off North Island and South Island, New Zealand. References * Kiener, L.C. (1850). Genre Trochus (plates only). Spécies général et iconographie des coquilles vivantes. 11. Rousseau & Baillière, Paris. * Hombron J. B. & Jacquinot H. (1848 arch An arch is a vertical curved structure that spans an elevated space and may or may not support the weight above it, or in case of a horizontal arch like an arch dam, the hydrostatic pressure against it. Arches may be synonymou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Micrelenchus Huttonii
''Micrelenchus huttonii'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Micrelenchus huttonii (E. A. Smith, 1876). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=724124 on 2020-07-26 Description The shell grows to a length of 14½ mm, its diameter 10½ mm. The covered perforate shell has a short-conical shape. It is bluish-black or purplishblack, the apex worn white. The 5 to 6 whorls are slightly convex. Their sculpture contains 7 to 8 spiral striae and incremental lines. The body whorl The body whorl is part of the morphology of the shell in those gastropod mollusks that possess a coiled shell. The term is also sometimes used in a similar way to describe the shell of a cephalopod mollusk. In gastropods In gastropods, the b ... is obtusely angular at the periphery, rather convex beneath, slightly impressed in the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Micrelenchus Burchorum
''Micrelenchus burchorum'' is a species of sea snail, a marine 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 in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Micrelenchus burchorum (B. A. Marshall, 1998). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=876694 on 2020-07-25 Description The height of the shell attains 26 mm, its diameter 16 mm. Distribution This marine species is endemic to New Zealand and occurs off Three Kings Islands References * Marshall B.A. 1998. ''The New Zealand Recent species of Cantharidus Montfort, 1810 and Micrelenchus Finlay, 1926 (Mollusca: Gastropoda: Trochidae).'' Molluscan Research 19(1): 107–156 burchorum Ga ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cantharidus Mortenseni
''Roseaplagis mortenseni'' is a species of sea snail in the family Trochidae, the top snails. The shell grows to a length of 7 mm. This marine species occurs off New Zealand, the Antipodes Islands and the Bounty Islands The Bounty Islands ( mi, Moutere Hauriri; "Island of angry wind") are a small group of 13 uninhabited granite islets and numerous rocks, with a combined area of , in the South Pacific Ocean. Territorially part of New Zealand, they lie about e .... References * Odhner, N.H. (1924) Papers from Dr. Th. Mortensen's Pacific Expedition 1914–1916. XIX. New Zealand Mollusca. Videnskabelige Meddelelser fra Dansk Naturhistorisk Forening i Kjobenhavn, 77, 1–90, 2 pls. * Dell, R. K. (1956). ''The archibenthal Mollusca of New Zealand''. Dominion Museum Bulletin. 18: 1-235. * Powell, A.W.B. 1979: ''New Zealand Mollusca: Marine, Land and Freshwater Shells''. Collins, Auckland 500p (p. 56) * Marshall, B.A. 1998: ''The New Zealand Recent species of Cantha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cantharidus Caelatus Mortenseni
''Roseaplagis mortenseni'' is a species of sea snail in the family Trochidae, the top snails. The shell grows to a length of 7 mm. This marine species occurs off New Zealand, the Antipodes Islands and the Bounty Islands The Bounty Islands ( mi, Moutere Hauriri; "Island of angry wind") are a small group of 13 uninhabited granite islets and numerous rocks, with a combined area of , in the South Pacific Ocean. Territorially part of New Zealand, they lie about e .... References * Odhner, N.H. (1924) Papers from Dr. Th. Mortensen's Pacific Expedition 1914–1916. XIX. New Zealand Mollusca. Videnskabelige Meddelelser fra Dansk Naturhistorisk Forening i Kjobenhavn, 77, 1–90, 2 pls. * Dell, R. K. (1956). ''The archibenthal Mollusca of New Zealand''. Dominion Museum Bulletin. 18: 1-235. * Powell, A.W.B. 1979: ''New Zealand Mollusca: Marine, Land and Freshwater Shells''. Collins, Auckland 500p (p. 56) * Marshall, B.A. 1998: ''The New Zealand Recent species of Cantha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cantharidus Caelatus
''Roseaplagis caelatus'' is a species of small sea snail in the family Trochidae, the top shells. Description It is smaller than '' Cantharidus sanguineus'' (height: 5.5 mm, diameter 4.5 mm) but it is more deeply ribbed and its grooves are wider. The imperforate shell is more deeply ribbed, and the ribs narrower. They number 5 to 7 on the penultimate whorl, 15 to 16 on the body whorl. Sometimes they are obsoletely granose through being crossed by growth lines. The columella shows a slight swelling in the middle. Distribution This marine species is endemic to New Zealand and occurs off the Foveaux Straits; Port Pegasus, Stewart Island; Snares and Bounty Islands Subspecies The former subspecies have been named: * ''Micrelenchus caelatus archibenthicola'' Dell, 1956: synonym of ''Cantharidus caelatus mortenseni'' Powell, 1933; synonym of ''Roseaplagis mortenseni'' (Odhner, 1924) * ''Micrelenchus caelatus bakeri'' Fleming, 1948: synonym of ''Roseaplagis artizona'' A. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Micrelenchus Tesselatus
''Micrelenchus tessellatus'' is a species of sea snail, a marine 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 in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Micrelenchus tesselatus (A. Adams, 1853). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=876685 on 2020-07-26 Description The shell grows to a length of 5 mm. Distribution This marine species is endemic to New Zealand and occurs off North, South and Stewart Island References * Hutton, F. W. (1873). Catalogue of the marine Mollusca of New Zealand with diagnoses of the species. Didsbury, Wellington. xx + 116 pp. * Powell, A.W.B. 1979: ''New Zealand Mollusca: Marine, Land and Freshwater Shells''. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cantharidus Caelatus Elongatus
''Roseaplagis artizona'' is a species of sea snail in the family Trochidae, the top snails. Description The height of the shell attains 3.5 mm, its diameter 4 mm. The very small shell is subperforate or imperforate. It has a conical shape. It is slightly iridescent and shining. The sculpture consists of fine spiral lirae, about 15 on the penultimate whorl. The growth lines are inconspicuous. It has a light yellow colour with radiate oblique broad streaks of dark brown. The intervals are filled with a few light brown dots. The base of the shell is tessellated with yellowish and brown. The epidermis is very thin, the pearly inner layer shining partly through it. The spire is conic with its height greater than that of the aperture. The sides are very slightly convex. The protoconch is small, acute, and consists of two convex, light-brown, and finely spirally striate whorls. The six whorls are flatly convex. The body whorl The body whorl is part of the morpholog ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cantharidus Artizona
''Roseaplagis artizona'' is a species of sea snail in the family Trochidae, the top snails. Description The height of the shell attains 3.5 mm, its diameter 4 mm. The very small shell is subperforate or imperforate. It has a conical shape. It is slightly iridescent and shining. The sculpture consists of fine spiral lirae, about 15 on the penultimate whorl. The growth lines are inconspicuous. It has a light yellow colour with radiate oblique broad streaks of dark brown. The intervals are filled with a few light brown dots. The base of the shell is tessellated with yellowish and brown. The epidermis is very thin, the pearly inner layer shining partly through it. The spire is conic with its height greater than that of the aperture. The sides are very slightly convex. The protoconch is small, acute, and consists of two convex, light-brown, and finely spirally striate whorls. The six whorls are flatly convex. The body whorl The body whorl is part of the morpholog ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roseaplagis Artizona
''Roseaplagis artizona'' is a species of sea snail in the family Trochidae, the top snails. Description The height of the shell attains 3.5 mm, its diameter 4 mm. The very small shell is subperforate or imperforate. It has a conical shape. It is slightly iridescent and shining. The sculpture consists of fine spiral lirae, about 15 on the penultimate whorl. The growth lines are inconspicuous. It has a light yellow colour with radiate oblique broad streaks of dark brown. The intervals are filled with a few light brown dots. The base of the shell is tessellated with yellowish and brown. The epidermis is very thin, the pearly inner layer shining partly through it. The spire is conic with its height greater than that of the aperture. The sides are very slightly convex. The protoconch is small, acute, and consists of two convex, light-brown, and finely spirally striate whorls. The six whorls are flatly convex. The body whorl is keeled at the periphery. The base of the shell ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |