Bullata: Difference between revisions
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| familia = [[Marginellidae]] |
| familia = [[Marginellidae]] |
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| subfamilia = Marginellinae |
| subfamilia = Marginellinae |
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| genus = [[Bullata]] |
| genus = ''[[Bullata]]'' |
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| genus_authority = Jousseaume, 1875 |
| genus_authority = Jousseaume, 1875 |
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{{Wikispecies|Bullata|Bullata}} |
{{Wikispecies|Bullata|Bullata}} |
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[[Category: |
[[Category:Marginellidae]] |
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Revision as of 22:29, 4 December 2007
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| Subfamily: | Marginellinae
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| Genus: | Jousseaume, 1875
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=Voluta bullata Born, 1778; T.
Bullata Jousseaume, 1875: 167, 250
Marginella, subg. Volutella Swainson, 1830:(2)1, Marginella pl.1 (non Perry, 1810) [TS: Marginella bullata Lamarck, 1822, = Voluta bullata Born, 1778; OD]
Gibberulina Monterosato, 1884:139 [invalid emendation, as "nom. sost."]
Description
Shells moderatly large to very large, range size from + 14mm (B. largillieri, smallest species of Bullata) - to 97,9mm (biggest specimen know of B. bullata). (pl I)
Color yellowish-orange to orange- or pinkish-brown, spirally banded (pl II) or with white spots (pl III).
Lip pink, yellow, or orange, darker than shell color (pl IV).
Shell surface smooth, glossy.
Shape elliptic to oblong or obovate, moderately to strongly shouldered (pl V bottom).
Spire immersed or near so (pl V top).
Aperture narrow to moderately broad, wider anteriorly. Lip moderately strongly thickned, waekly to strongly denticulate in adults, with a distinct external varix. Siphonal noch, posterior noch absent. Parietal callusing weakly to strongly developed, especially posteriorly, absent in type species.
Columella with 4 continuous plications occupying less than half the aperture length. Internal whorls unmodified. (pl VI/VII)
Plates
-
pl I.
B. largillieri vs B. bullata' -
pl II.
B. bullata, B. matthewsi and B. lilacina -
pl III.
B. analucia, B. guerrini, B. largilleri -
pl IV. -
pl V.
Spire and shape comparative -
pl VI. -
pl VII.
Distribution and habitat
W. Atlantic. Recorded from 1 to 60 m.
Remarks
The large, patterned shells with a immersed spire and 4 moderatly heavy columellar plications not crowded anteriorly serve to distinguish this group. This group is restricted to the Caribbean province, where it evolved in the Miocene as a direct offshot of Prunum.
Coan (1965:189) placed Cryptospyra as a subgenus of Bullata. Coovert & Coovert (1995:93) consider as distinct Genus, as they have separete origins, Bullata being a direct descendant of Caribbean Prunum, whereas Cryptospira is restricted to the western Indo-Pacific where it evolved.
-
Prunum -
Bullata -
Cryptospira
Systematic
- Bullata analuciae de Souza & Coovert, 2001
- Bullata bullata (Born, 1778) T
- Bullata largillieri (Kiener, 1834)
- Bullata lilacina (Sowerby II, 1846)
- Bullata mathewsi (van Mol & Tursch, 1967)
- Bullata guerrinii de Souza & Coovert, 2001
References
- COAN, Eugene 1965. A proposed reclassification of the Family Marginellidae. The Veliger 7(3): 184-194
- COOVERT, Gary & COOVERT, Holly 1995. Revision of the Supraspecific Classification of Marginelliform Gastropods. The Nautilus Vol. 109, No. 2 and 3; 43-110
- Souza, P. J. S. & G. A. Coovert. 2001. Revision of the Recent species of Bullata Jousseaume, 1875 (Gastropoda: Marginellidae) with the description of two new species. The Nautilus 115(1): 1-14. (latest generic review)
