| 词条 | Seguenzia monocingulata |
| 释义 |
| image = Seguenzia monocingulata 001.jpg | image_caption = Drawing with two views of a shell of Seguenzia monocingulata | taxon = Seguenzia monocingulata | authority = Seguenza, 1876 [1] | synonyms_ref = | synonyms = | extinct=yes }}Seguenzia monocingulata is an extinct species of sea snail, a marine gastropod mollusk in the family Seguenziidae.[2] It resembles Seguenzia formosa and has been regarded as a synonym of that (extant) species. However the two species are distinct, based on shell morphology.[3] DescriptionThe height of the shell attains 4 mm. The white, imperforate shell has a high conoid shape. The whorls have revolving ribs, of which the last has about four distant prominent ones, besides minor striae on the base.[4] DistributionThis species was originally described by Seguenza from Pliocene fossils found near Trapani, Sicily.[5] It is common in deep-sea deposits from southern Italy.[3] References1. ^Seguenza, Boll. Comitato Geologico, vii, 188, May, 1876, 2. ^{{WRMS species|141432|Seguenzia monocingulata Seguenza, 1876||8 January 2019}} 3. ^1 {{cite journal|url=https://riviste.unimi.it/index.php/RIPS/article/view/5298/5321|author1=Di Geronimo, I.|author2=La Perna, R.|title=Pleistocene Bathyal Molluscan Assemblages from Southern Italy|journal=Rivista Italiana di Paleontologia e Stratigrafia|year=1997|volume=103|issue=3|page=398}} 4. ^[https://archive.org/details/manualconch09tryorich Tryon (1887), Manual of Conchology IX – Solariidae (by William B. Marshall), Ianthinidae, Trichotropidae, Scalariidae, Cerithiidae, Rissoidae, Littorinidae] 5. ^[https://archive.org/details/rsultatsdescam32albe Dautzenberg, Ph.; Fischer, H. (1906). Mollusques provenant des dragages effectués à l'ouest de l'Afrique pendant les campagnes scientifiques de S.A.S. le Prince de Monaco. Résultats des Campagnes Scientifiques Accomplies sur son Yacht par Albert Ier Prince Souverain de Monaco, XXXII. Imprimerie de Monaco: Monaco. 125 p., 5 plates] External links
3 : Seguenzia|Gastropods described in 1876|Prehistoric gastropods |
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