Alcadia

Alcadia is a genus of tropical and subtropical land snails with an operculum, terrestrial gastropod mollusks in the subfamily Helicininae of the family Helicinidae.

Description

Alcadia differs from the Helicininae in having a slit in front of the aperture, into which is fitted the tooth-like process of the operculum.

Species

Species within the genus Alcadia include:

Alcadia affinis C.B. Adams, 1846
Alcadia alta (G. B. Sowerby II, 1866)
Alcadia aurantia (J. E. Gray, 1824)
Alcadia bahamensis (L. Pfeiffer, 1862)
Alcadia bermudezi Aguayo & Jaume, 1957
Alcadia binneyana (L. Pfeiffer, 1866)
Alcadia blandiana Weinland, 1880
Alcadia boeckeleri (Richling, 2001)
Alcadia brownii (J. E. Gray, 1824)
Alcadia bullula Hausdorf, 2006
Alcadia camagueyana Aguayo & Jaume, 1957
Alcadia charmosyne (Pilsbry, 1933)
Alcadia chocoensis Roosen, 2023
Alcadia citrinolabris (C. B. Adams, 1849)
Alcadia concinna (Gundlach in Pfeiffer, 1857)
Alcadia consanguinea (C. B. Adams, 1851)
Alcadia conuloides (Guppy, 1868)
Alcadia decussata Hausdorf, 2006
Alcadia delmonteana Pilsbry, 1933
Alcadia dissimulans (Poey, 1858)
Alcadia dubiosa (C. B. Adams, 1850)
Alcadia erythrozona Dean, 1931
Alcadia euglypta Clench & Aguayo, 1950
Alcadia exigua (L. Pfeiffer, 1849)
Alcadia gonavensis Weinland, 1880
Alcadia gonostoma (Gundlach in Poey, 1858)
Alcadia guadaloupensis (G. B. Sowerby II, 1842)
Alcadia haitensis (Maltzan, 1888)
Alcadia hirsuta (C. B. Adams, 1851)
Alcadia hispida (Pfeiffer, 1839)
Alcadia hjalmarsoni (L. Pfeiffer, 1856)
Alcadia hojarasca (Richling, 2001)
Alcadia hollandi (C. B. Adams, 1849)
Alcadia iheringi A. J. Wagner, 1911
Alcadia incrustata (Gundlach in Pfeiffer, 1859)
Alcadia intusplicata (L. Pfeiffer, 1851)
Alcadia jamaicensis (G. B. Sowerby II, 1842)
Alcadia kuehni (L. Pfeiffer, 1872)
Alcadia lewisi Pilsbry, 1942
Alcadia macilenta (C. B. Adams, 1849)
Alcadia major (J. E. Gray, 1824)
Alcadia mammilla Weinland, 1862
Alcadia maxima G.B. Sowerby II, 1842
Alcadia mcleani Clench, 1937
Alcadia megastoma (C. B. Adams, 1849)
Alcadia microstoma (C. B. Adams, 1851)
Alcadia minima (d’Orbigny, 1842)
Alcadia moussoniana (L. Pfeiffer, 1866)
Alcadia neebiana (Pfeiffer, 1862)
Alcadia nitida (Pfeiffer, 1839)
Alcadia nobilis (C. B. Adams, 1851)
Alcadia nodulosa Hausdorf, 2006
Alcadia novogranadensis Hausdorf, 2006
Alcadia nuda (Arango in Pfeiffer, 1866)
Alcadia pellucida (G. B. Sowerby II, 1842)
Alcadia pompholyx (Pilsbry, 1933)
Alcadia pusilla (C. B. Adams, 1850)
Alcadia rhamphostyla (L. Pfeiffer, 1857)
Alcadia rotunda (d’Orbigny, 1842)
Alcadia rufa (L. Pfeiffer, 1857)
Alcadia schrammi (Crosse, 1872)
Alcadia sericea (Drouët, 1859)
Alcadia solitaria (C. B. Adams, 1845)
Alcadia spectabilis (Pfeiffer, 1858)
Alcadia succinea (L. Pfeiffer, 1850)
Alcadia velutina (Poey, 1858)

Synonyms of Alcadia

Alcadia (Alcadia) J. E. Gray, 1840 · alternative representation
Alcadia (Bellula) A. J. Wagner, 1908 junior subjective synonym
Alcadia (Eualcadia) A. J. Wagner, 1907 junior subjective synonym
Alcadia (Glyptalcadia) Boss & Jacobson, 1973 · alternative representation
Alcadia (Hispida) A. J. Wagner, 1907 junior homonym (invalid; not Bate, 1868, Penisoltia is a replacement name)
Alcadia (Hjalmarsona) H. B. Baker, 1940 · alternative representation
Alcadia (Idesa) H. Adams & A. Adams, 1856 alternative representation
Alcadia (Incrustata) A. J. Wagner, 1907 junior homonym
Alcadia (Intusplicata) A. J. Wagner, 1907 alternative representation
Alcadia (Leialcadia) A. J. Wagner, 1907 (junior synonym)
Alcadia (Mamilla) A. J. Wagner, 1907 alternative representation
Alcadia (Megastoma) A. J. Wagner, 1907 junior homonym (invalid; not Rafinesque, 1814)
Alcadia (Microalcadia) Richling, 2004 alternative representation
Alcadia (Palliata) A. J. Wagner, 1907 alternative representation
Alcadia (Penisoltia) H. B. Baker, 1954 alternative representation
Alcadia (Weinlandella) H. B. Baker, 1954 unavailable name (unnecessary replacement name for Mamilla)
Eualcadia A. J. Wagner, 1907 (junior synonym)
Helicina (Alcadia) J. E. Gray, 1840 (unaccepted rank)
Helicina (Idesa) H. Adams & A. Adams, 1856 superseded combination
Helicina (Isoltia) Guppy, 1895 junior subjective synonym
Helicina (Schrammia) Guppy, 1895 superseded combination
Hispida A. J. Wagner, 1907 (invalid; not Bate, 1868, Penisoltia is a replacement name)
Idesa H. Adams & A. Adams, 1856 ·
Isoltia Guppy, 1895 (junior synonym)
Leialcadia A. J. Wagner, 1907 ·
Schrammia Guppy, 1895 junior subjective synonym

Synonyms

Alcadia appuni (E. von Martens, 1873): synonym of Helicina tamsiana appuni E. von Martens, 1873 (superseded combination)
Alcadia balteata Aguayo & Jaume, 1954: synonym of Alcadia minima (A. d'Orbigny, 1842) (junior synonym)
Alcadia capax L. Pfeiffer, 1857: synonym of Alcadia minima (A. d'Orbigny, 1842) (junior synonym)
Alcadia ciliata (Poey, 1852): synonym of Emoda ciliata (Poey, 1852) ( superseded combination)
Alcadia colombiana (R. A. Philippi, 1847): synonym of Helicina columbiana R. A. Philippi, 1847 (superseded combination)
Alcadia deppeana (E. von Martens, 1863): synonym of Helicina zephyrina deppeana E. von Martens, 1863 (superseded rank and combination)
Alcadia dysoni (L. Pfeiffer, 1849): synonym of Helicina dysoni L. Pfeiffer, 1849 (unaccepted combination)
Alcadia gundlachi L. Pfeiffer, 1854: synonym of Alcadia (Penisoltia) minima (A. d'Orbigny, 1842) represented as Alcadia minima (A. d'Orbigny, 1842)
Alcadia quinonesi Clench & Aguayo, 1950: synonym of Alcadia minima (A. d'Orbigny, 1842) (junior synonym)
Alcadia quiñonesi Clench & Aguayo, 1950: synonym of Alcadia minima (A. d'Orbigny, 1842) (misspelling - incorrect original spelling)
Alcadia striata (Lamarck, 1822): synonym of Helicina striata Lamarck, 1822 (superseded combination)
Alcadia subfusca (Menke, 1828): synonym of Alcadia striata (Lamarck, 1822): synonym of Helicina striata Lamarck, 1822 (junior synonym)
Alcadia tamsiana (L. Pfeiffer, 1851): synonym of Helicina tamsiana L. Pfeiffer, 1851 (superseded combination)

Bank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017.

External links

Boss, K. J.; Jacobson, M. K (1973). . Bulletin of the Museum of Comparative Zoology at Harvard College. 145: 311–358.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Baker, H.B. (1940). . The Nautilus. 54 (2): 70–71.
Richling, I. (2004). . Malacologia. 45 (2): 195–440.
Baker, H.B. (1954). . The Nautilus. 67 (4): 139–140.
Wagner, A.J. (1907–1911). . Nürnberg: Bauer & Raspe.
Guppy, R. J. L (1895). . Proceedings of the Victoria Institute of Trinidad: 72–77.
Adams, H. & Adams, A. (1853–1858). . London: van Voorst. p. 304.{{cite book}}: CS1 maint: multiple names: authors list (link)