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Semicassis pyrum Pear Bonnet

Semicassis pyrum is commonly referred to as Pear Bonnet. Difficulty in the aquarium: Cold water animal. Toxicity: Toxic hazard unknown.


Profilbild Urheber Javier Couper (Predomalpha), New Zealand

Semicassis pyrum.Broken shell washed up at Muriwai.2018


Courtesy of the author Javier Couper (Predomalpha), New Zealand Photo taken by Javier Couper. Please visit www.inaturalist.org for more information.

Uploaded by Muelly.

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lexID:
13353 
AphiaID:
591450 
Scientific:
Semicassis pyrum 
German:
Birnen-Helmschnecke 
English:
Pear Bonnet 
Category:
Snegler 
Family tree:
Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Cassidae (Family) > Semicassis (Genus) > pyrum (Species) 
Initial determination:
(Lamarck, ), 1822 
Occurrence:
Australia, Coral sea (Eastern Australia), Indian Ocean, New Zealand, Philippines, South-Africa, South-Pazific, Tasmania (Australia) 
Sea depth:
50 - 650 Meter 
Size:
1.18" - 5.91" (3,0cm - 15,1cm) 
Temperature:
48.2 °F - 50 °F (9°C - 10°C) 
Food:
Carnivore, Predatory 
Difficulty:
Cold water animal 
Offspring:
Not available as offspring 
Toxicity:
Toxic hazard unknown 
CITES:
Not evaluated 
Red List:
Not evaluated (NE) 
Related species at
Catalog of Life
:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2020-11-08 13:22:07 

Info

Semicassis pyrum (Lamarck, 1822)

The shell varies markedly in size, thickness, colour pattern, spire height, the presence or absence of ridges inside the outer lip, and the presence or absence of one or two rows of nodules around the shoulder, and the many subtly different, intergrading ecological forms have received many "species" names, but are of no biological significance.

Synonymised names:
Cassidea multisecta Finlay, 1924
Cassidea stadialis Hedley, 1914
Cassis nivea Brazier, 1872
Cassis pirum (misspelling)
Cassis pyrum Lamarck, 1822 (original combination)
Cassis striatus Hutton, 1873 † (invalid: junior homonym of Cassis striatus J. Sowerby, 1812; Cassidea multisecta Finlay, 1924 is a replacement name)
Cassis tumida Petterd, 1886
Phalium pyrum (Lamarck, 1822)
Phalium stadiale (Hedley, 1914)
Semicassis (Semicassis) pyrum (Lamarck, 1822)· accepted, alternate representation
Xenogalea denda Cotton, 1945
Xenogalea finlayi Iredale, 1927
Xenogalea halli Cotton, 1954
Xenogalea mawsoni Cotton, 1945
Xenogalea powelli Finlay, 1928
Xenogalea pyrum (Lamarck, 1822)
Xenogalea spectabilis Iredale, 1929
Xenogalea stadialis (Hedley, 1914)
Xenogalea wilsoni Cotton, 1954
Xenophalium (Xenogalea) abernethyi Dell, 1956
Xenophalium (Xenogalea) matai Powell, 1952
Xenophalium abernethyi Dell, 1956
Xenophalium finlayi (Iredale, 1927)
Xenophalium hamiltoni Powell, 1928
Xenophalium harrisonae Powell, 1928
Xenophalium matai Powell, 1952
Xenophalium pyrum (Lamarck, 1822)
Xenophalium pyrum pyrum (Lamarck, 1822)
Xenophalium wanganuiense Powell, 1928

External links

  1. Encyclopedia of Life (EOL) (multi). Abgerufen am 08.11.2020.
  2. gastropods (en). Abgerufen am 08.11.2020.
  3. World Register of Marine Species (WoRMS) (en). Abgerufen am 08.11.2020.

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