Punctoidea
| Punctoidea | ||||||||||||
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Spotted bowl snail ( Discus rotundatus ) |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Punctoidea | ||||||||||||
| Morse , 1864 |
In the superfamily Punctoidea , several families from the subordination of land snails (Stylommatophora) are combined. The superfamily is cosmopolitan.
features
The cases are mostly right-handed and mostly small to medium-sized. The embryonic casing is usually smooth or only slightly ornamented. The juvenile and adult housings, on the other hand, are mostly heavily ornamented with transverse ribs and, subordinate, longitudinal stripes. The opening can be toothless, but it can also be provided with strong teeth. The navel of the case is usually wide and open. There are further similarities in the sexual apparatus, both in the female and in the male part. Like all lung snails, the animals are hermaphrodites.
Occurrence and way of life
The family is spread around the world. They are mainly herbivores and detritus eaters.
Systematics
The superfamily of the punctoidea is divided into the following families:
- Punctoidea Morse, 1864
- † Anastomopsidae Nordsieck, 1986
- Charopidae Hutton, 1884
- Cystopeltidae Cockerell, 1891
- Bowl snails (Patulidae = Discidae Thiele, 1931)
- Endodontidae Pilsbry, 1895
- Helicodiscidae Baker, 1927
- Oreohelicidae Pilsbry, 1939
- Punctidae (Punctidae) Morse, 1864
- Thyrophorellidae Girard, 1895
literature
- Philippe Bouchet & Jean-Pierre Rocroi: Part 2. Working classification of the Gastropoda . Malacologia, 47: 239-283, Ann Arbor 2005 ISSN 0076-2997
- Anatolij A. Schileyko: Treatise on Recent terrestrial pulmonate molluscs. Part 7: Endodontidae, Thyrophorellidae, Charopidae. In: Ruthenica. Supplement, 2 (7): 881-1034, Moscow 2001 ISSN 0136-0027
- Anatolij A. Schileyko: Treatise on recent terrestrial pulmonate molluscs. Part 8. Punctidae, Helicodiscidae, Discidae, Cystopeltidae, Euconulidae, Trochomorphidae. In: Ruthenica. , Supplement, 2 (8): 1035-1166, Moscow 2002 ISSN 0136-0027
- Christopher M. Wade, Peter B. Mordan, and Fred Naggs: Evolutionary relationships among the Pulmonate land snails and slugs (Pulmonata, Stylommatophora). In: Biological Journal of the Linnean Society. 87. 2006, 593-610. ISSN 0024-4066
