Zyzzyxdonta alata: Difference between revisions
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{{Short description|Species of gastropod}} |
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| status = VU |
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| regnum = [[Animal]]ia |
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| status_system = IUCN3.1 |
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| phylum = [[Mollusca]] |
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| status_ref = <ref name="iucn status 20 November 2021">{{cite iucn |author=Barker, G. |date=2012 |title=''Zyzzyxdonta alata'' |volume=2012 |page=e.T195626A2395368 |doi=10.2305/IUCN.UK.2012.RLTS.T195626A2395368.en |access-date=20 November 2021}}</ref> |
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| classis = [[Gastropoda]] |
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| ordo = [[Stylommatophora]] |
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| authority = [[Alan Solem|Solem]], 1976<ref name="Solem">[[Alan Solem|Solem A.]] (29 October 1976) ''Endodontoid land snails from Pacific Islands (Mollusca: Pulmonata: Sigmurethra). Part I. Family Endodontidae''. [[Field Museum of Natural History]], Chicago, [https://archive.org/stream/endodontoidlands01sole#page/466/mode/2up page 466].</ref> |
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| genus = '''''Zyzzyxdonta''''' |
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| species = '''''Zyzzyxdonta alata''''' |
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| species_authority = Solem, 1976 |
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'''''Zyzzyxdonta alata''''' is the only species in the genus '''''Zyzzyxdonta'''''. It is a land snail that is named thus because it has many features opposite to ''[[Aaadonta]]''. |
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'''''Zyzzyxdonta alata''''' is a [[species]] of air-breathing [[land snail]], a [[terrestrial animal|terrestrial]] [[pulmonate]] [[gastropod]] [[mollusk]] in the [[family (biology)|family]] [[Endodontidae]]. |
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==Characteristics== |
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This is the only [[species]] in the [[genus]] '''''Zyzzyxdonta'''''. The genus was named ''Zyzzyxdonta'' because it has many features that are the opposite to the genus ''[[Aaadonta]]''. The name, given to the snail by malacologist [[Alan Solem]], is the last word in many species dictionaries, just after ''[[Zyzzyx]]''; however, they both, in fact, precede ''[[Zyzzyzus]]''. |
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''Zyzzyxdonta alata'' shell is with apical sculpture typical to [[Endodontidae]], postnuclear whorls with widely spaced radial ribs protruded into hollow, winglike structures at the carinated periphery. Whorls about 5, rather loosely coiled, apex flat, spire slightly elevated. Body whorl with protruded, keeled periphery, not descending more rapidly, with distinct subperipheral sulcus. [[Umbilicus (mollusk)|Umbilicus]] is widely open, U-shaped, last whorl not decoiling as rapidly. Apertural barriers consisting of 3 parietals, a single columellar that slants downwards, and 3 long palatals. All barriers are with large, swollen and serrated beads above<ref>Solem, A. 1976. Endodontoid land snails from Pacific islands (Mollusca: Pulmonata: Sigmurethra). Part I. Family Endodontidae. Field Museum of Natural History, Chicago</ref>. |
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==Description== |
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The [[Gastropod shell|shell]] of ''Zyzzyxdonta alata'' has apical sculpture typical of the [[Endodontidae]]. The postnuclear whorls have widely spaced radial ribs which protrude into hollow, winglike structures at the carinated periphery. |
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There are about 5 [[Whorl (mollusc)|whorls]] that are rather loosely coiled. The [[Apex (mollusc)|apex]] is flat, but the [[Spire (mollusc)|spire]] is slightly elevated. |
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The [[body whorl]] has a protruded, keeled periphery, not descending more rapidly, with a distinct subperipheral sulcus. The [[Umbilicus (mollusk)|umbilicus]] is widely open and U-shaped. The last whorl does not decoil as rapidly. The [[Aperture (mollusc)|apertural]] barriers consist of three parietals, a single [[Columella (gastropod)|columellar]] one that slants downwards, and three long palatals. All barriers have large, swollen and serrated beads above them.<ref name="Solem"/> |
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== See also == |
== See also == |
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*''[[Aaaaba]]'' |
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*''[[Aaadonta]]'' |
*''[[Aaadonta]]'' |
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*''[[Zyzzyva]]'' |
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*''[[Zyzzyzus]]'' |
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==References== |
==References== |
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{{Reflist}} |
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[[Category:Endodontidae]] |
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{{Taxonbar|from=Q5467736}} |
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{{Gastropod-stub}} |
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[[Category:Gastropods described in 1976]] |
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Latest revision as of 19:59, 15 January 2024
| Zyzzyxdonta alata | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Stylommatophora |
| Family: | Endodontidae |
| Genus: | Zyzzyxdonta |
| Species: | Z. alata
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| Binomial name | |
| Zyzzyxdonta alata | |
Zyzzyxdonta alata is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Endodontidae.
This is the only species in the genus Zyzzyxdonta. The genus was named Zyzzyxdonta because it has many features that are the opposite to the genus Aaadonta. The name, given to the snail by malacologist Alan Solem, is the last word in many species dictionaries, just after Zyzzyx; however, they both, in fact, precede Zyzzyzus.
They live in the Pacific islands of Palau and Fiji.
Description
[edit]The shell of Zyzzyxdonta alata has apical sculpture typical of the Endodontidae. The postnuclear whorls have widely spaced radial ribs which protrude into hollow, winglike structures at the carinated periphery.
There are about 5 whorls that are rather loosely coiled. The apex is flat, but the spire is slightly elevated.
The body whorl has a protruded, keeled periphery, not descending more rapidly, with a distinct subperipheral sulcus. The umbilicus is widely open and U-shaped. The last whorl does not decoil as rapidly. The apertural barriers consist of three parietals, a single columellar one that slants downwards, and three long palatals. All barriers have large, swollen and serrated beads above them.[2]
See also
[edit]References
[edit]- ^ Barker, G. (2012). "Zyzzyxdonta alata". IUCN Red List of Threatened Species. 2012: e.T195626A2395368. doi:10.2305/IUCN.UK.2012.RLTS.T195626A2395368.en. Retrieved 20 November 2021.
- ^ a b Solem A. (29 October 1976) Endodontoid land snails from Pacific Islands (Mollusca: Pulmonata: Sigmurethra). Part I. Family Endodontidae. Field Museum of Natural History, Chicago, page 466.