Login
Login

Emarginula

{{Short description|Genus of gastropods}}

{{Automatic taxobox

|image = Emarginula striatula (top view).JPG

|image_caption = Emarginula striatula

|taxon = Emarginula

|authority = Lamarck, 1801

|subdivision_ranks = Species

|subdivision = See text.

|synonyms_ref =

|synonyms =

  • Emarginula (Emarginula) Lamarck, 1801· accepted, alternate representation
  • Emarginula (Subzeidora) Iredale, 1924· accepted, alternate representation
  • Emarginulus Montfort, 1810
  • Entomella Cotton, 1945
  • Notamella Cotton, 1957
  • Semperia Crosse, 1867
  • Subzeidora Iredale, 1924

| type_species= Emarginula (Emarginula) conica Lamarck, 1801

|display_parents= 3

}}

Emarginula is a genus of small keyhole limpets, marine gastropod molluscs in the family Fissurellidae.Bouchet, P.; Gofas, S.; Rosenberg, G. (2012). Emarginula Lamarck, 1801. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138012 on 2013-01-13

Description

The oval shell is obliquely conical with a backward-pointing recurved apex. There is a deep incision in the anterior margin. A distinct anal fasciole extends upwards from this incision. The surface is latticed, sculptured with radial ribs. There is no septum inside.{{cite book|last=Tryon|first=George W. Jr.|title=Manual of Conchology, structural and systematic|year=1879–1898|publisher=Academy of Natural Sciences, Philadelphia|pages=248}}

=Radula=

The radula has a dental formula of [many].1.4.1.4.1.[many],{{cite journal

|author=Torr, Claude M.

|year=1914

|title=Radulæ of some South Australian Gasteropoda

|url=https://www.biodiversitylibrary.org/item/113401#page/374/mode/1up

|journal=Transactions of the Royal Society of South Australia

|volume=38

|pages=362–368

}} with a wide, rectangular, acuspate rachidian tooth.{{Cite book

| url = https://books.google.com/books?id=Xj-2-KxUCcYC&pg=PA310

| title = Sea shells of tropical west America: marine mollusks from Baja California to Peru

| isbn = 978-0-8047-0736-7

| author = Keen, A. Myra

| authorlink = A. Myra Keen

| date = 1971-06-01}}

The various genera have a few dozen rows of teeth.

Species

According to the World Register of Marine Species (WoRMS), species within the genus Emarginula include:

{{div col|colwidth=20em}}

{{div col end}}

Synonyms

{{div col|colwidth=20em}}

{{div col end}}

References

{{Reflist|30em}}

  • {{ITIS |id=69598 |taxon=Emarginula}}
  • Powell A W B, New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 {{ISBN|0-00-216906-1}}
  • Piani P. (1985). Revisione del genere Emarginula Lamarck, 1801 in Mediterraneo. Lavori, Società Italiana di Malacologia 21: 193-238
  • Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180–213
  • Rolán E., 2005. Malacological Fauna From The Cape Verde Archipelago. Part 1, Polyplacophora and Gastropoda.
  • Spencer, H.; Marshall. B. (2009). All Mollusca except Opisthobranchia. In: Gordon, D. (Ed.) (2009). New Zealand Inventory of Biodiversity. Volume One: Kingdom Animalia. 584 pp

{{Commons category|Emarginula}}

{{Taxonbar|from=Q3176224}}

Category:Fissurellidae

Category:Gastropod genera

Category:Taxa named by Jean-Baptiste Lamarck