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Taxon profile

genus

Syrnola Adams, 1860

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Allogastropoda »  family Pyramidellidae

Description

This generic name was used in different ways by authors in the past, mainly because its type species cannot be identified unequivocally. There seems to be no type specimen left. The original diagnosis is as follows (A. Adams, 1860: 405): "Testa subulata, recta, vitrea, polita; anfractibus planis; suturis impressis. Apertura oblonga; labio in medio plica obliqua instructo; labro simplici, acuto.
This genus bears the same relation to Obeliscus [e.g. Pyramidella Lamarck,1799] that Chrysallida does to Pyramidella [e.g. Otopleura Fischer, 1885], and will include all the slender species of the former group with a single plait on the columella. It differs from Monoptygma [e.g. Adelactaeon Cossmann, 1895] in being vitreous and polished, and from Odostomia in texture and in its subulate or aciculate form".
From this text we deduce that the species of this genus should have smooth, slender shells with a clearly defined tooth on the columella. Whether this combination of characters defines a natural entity is unknown. Pending further study, we do not agree with Penas & Rolan (1999a: 131,134), who include Eulimella endolamellata Schander, 1994, and E. vanhareni van Aartsen et al., 1998, in Syrnola. In shells of these two species there is only a fold, not a tooth on the columella.
Aartsen, J.J. , Gittenberger, E. & Goud, J., 2000. Pyramidellidae (Mollusca, Gastropoda, Heterobranchia) collected during the Dutch CANCAP and MAURITANIA expeditions in the south-eastern part of the North Atlantic Ocean (part 2)
Typically elongated shells with flattened whorls, smooth and porcellanous in texture, often coloured or with brown bands; the protoconch exsert and tilted heterotrophe; the columella fold single, generally prominent, but occasionally nearly obsolete and only visible inside the aperture.
Author: Jan Delsing

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Included taxa

Number of records: 85

species Syrnola acusiformis Nomura, 1938
species Syrnola adamsi Tryon, 1886

Syrnola adamsi - 000000000111000

species Syrnola amabilis Nomura, 1936
species Syrnola angasi (Tryon, 1886)

Syrnola angasi - 000000000111000

species Syrnola aurantiaca (Angas, 1867)

Syrnola aurantiaca - 000000000111

species Syrnola azona Nomura, 1931
species Syrnola bacillum H. A. Pilsbry, 1901
species Syrnola beatrix (Melvill, 1911)
species Syrnola biturbida Yokoyama, 1927
species Syrnola bizonalis A. Adams, 1860
species Syrnola brevis Yokoyama, 1922
species Syrnola capensis G. B. Sowerby III, 1892
species Syrnola cerea A. Adams, 1863
species Syrnola cinctella Adams A., 1860
species Syrnola cinnamomea A. Adams, 1863
species Syrnola columella A. Adams, 1863
species Syrnola convoluta (Watson, 1886)
species Syrnola crawfordi A. W. B. Powell, 1927
species Syrnola crocata Sowerby, 1865
species Syrnola cylindrella A. Adams, 1863
species Syrnola daedala A. Adams, 1863
species Syrnola elegans A. Adams, 1854
species Syrnola endolamellata (Schander, 1994)

Syrnola endolamellata - 000000000111100

species Syrnola eruca Laseron, 1959
species Syrnola etiennei (Dautzenberg, 1912)

Syrnola etiennei - 000000000111000

species Syrnola exserta Laseron, 1959
species Syrnola fasciata Jickeli, 1882

Syrnola fasciata - 000000000111

species Syrnola georgiana (Bartsch in Dall, 1927)
species Syrnola gibba A. Adams, 1863
species Syrnola gracillima A. Adams, 1860
species Syrnola hanzawai Nomura, 1939
species Syrnola hasimotoi Nomura, 1937
species Syrnola hataishinkishii Nomura, 1938
species Syrnola hyalina R. W. Dunker, 1860
species Syrnola infrequens Nomura, 1937
species Syrnola jacksonensis Laseron, 1951
species Syrnola kesenensis Nomura, 1938
species Syrnola kurumana Yokoyama, 1927
species Syrnola lactea A. Adams, 1863
species Syrnola lacteota H. B. Preston, 1904
species Syrnola larvula A. Adams, 1863
species Syrnola lendix A. Adams, 1863

Syrnola lendix - 000000000111

species Syrnola lepidula Adams, 1860
species Syrnola lepidula Habe, 1961
species Syrnola lischkei W. H. Dall & P. Bartsch, 1906
species Syrnola longiaperturata Nomura, 1938
species Syrnola lurida (H.H. Suter, 1908)
species Syrnola luteomaculosa Nomura, 1938
species Syrnola macrocephala Hedley, 1903

Syrnola macrocephala - 000000000111000

species Syrnola menda Finlay, 1926
species Syrnola mera A. Adams, 1860
species Syrnola minuta H. Adams, 1869
species Syrnola modica Sowerby, 1878
species Syrnola obeliscus (Garrett, 1873)

Syrnola obeliscus - 000000000111000

species Syrnola onagawaensis Nomura, 1938
species Syrnola ornata A. A. Gould, 1861
species Syrnola pistillum A. Adams, 1863
species Syrnola producta A. Adams, 1860
species Syrnola pulchra Brazier, 1877

Syrnola pulchra - 000000000101000

species Syrnola pupiformis A. Adams, 1860
species Syrnola pupina A. Adams, 1860
species Syrnola pyramidalis A. Adams, 1860
species Syrnola serotina A. Adams, 1863
species Syrnola siva Yokoyama, 1922
species Syrnola solidula R. W. Dunker, 1860
species Syrnola subcinctella Nomura, 1936
species Syrnola subuliformis A. Adams, 1863
species Syrnola subulina A. Adams, 1863
species Syrnola sulcata A. Adams, 1861
species Syrnola susakiensis Nomura, 1939
species Syrnola taeniatum A. Adams, 1863
species Syrnola take Nomura, 1938
species Syrnola tasmanica (Tenison-Woods, 1877)
species Syrnola terebroides T. Kuroda & T. Kawamoto, 1956
species Syrnola teretiuscula A. Adams, 1860
species Syrnola tincta Angas, 1871

Syrnola tincta - 000000000111

species Syrnola titizimana Nomura, 1939
species Syrnola torresiana Laseron, 1959
species Syrnola toshimana Yokoyama, 1927
species Syrnola typica A. Adams, 1860
species Syrnola unilineata A. Garrett, 1872

Syrnola unilineata - 000000000111

species Syrnola virgo A. Adams, 1860
species Syrnola vitrea A. Adams, 1860
species Syrnola wenzi Nordsieck F., 1972
species Syrnola zona Nomura, 1937

Links and literature

EN Australian Faunal Directory [08e7c8e8-2d50-479c-b12d-62dc684c475d]

ABRS (2009-2019): Australian Faunal Directory [https://biodiversity.org.au/afd/home], Australian Biological Resources Study, Canberra [as Syrnola A. Adams, 1860]
Data retrieved on: 12 February 2015

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