Pleurobranchida

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Pleurobranchida
Temporal range: Palaeocene–Present [1]
Berthella martensi 3.jpg
Berthella plumula DSC3461.jpg
Pleurobranchus forskalii, Lembeh.jpg
Notaspidean Sea Slug (Euselenops luniceps) (8460230531).jpg
From the left to right of each row, from top to bottom:

Tomoberthella martensi, Berthella plumula, and Pleurobranchus forskalii (Pleurobranchidae); Euselenops luniceps (Pleurobranchaeidae)

Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Superorder: Nudipleura
Order: Pleurobranchida
Taxa

See Taxonomy

Pleurobranchida, also known as side-gilled slugs, [1] is an order of gastropods belonging to the superorder Nudipleura. [2] [3]

Taxonomy

In 1822, Férussac introduced the vernacular family “les Pleurobranches” to refer to known members of the current family Pleurobranchidae. [2] In 1832, in the second volume of Histoire naturelle des vers of the Encyclopédie Méthodique by Deshayes, the same term was also used to refer to a higher-level group containing the genera Pleurobranchaea and Pleurobranchus, also grouped as “les Pleurobranches”, and Siphonaria and Umbrella, grouped as "les Ombrelles". [2] [4] The term was later latinized by Herrmannsen in 1847 as the suborder Pleurobranchia. [2]

Several spelling and rank emendations followed. In Gray 1840b it was emended to order Pleurobranchiata, containing the families Aplysiidae, Bullidae, Pleurobranchidae, Pterotracheidae, and Umbrellidae, in Pelseneer 1906 to “tribe” Pleurobranchomorpha, and in Golikov & Starobogatov 1989 to order Pleurobranchiformes and suborder Pleurobranchioidei. [2]

In the taxonomy of Bouchet & Rocroi (2005), Pleurobranchomorpha is used and ranked as a subclade sister to the subclade Nudibranchia within the clade Nudipleura. Under this taxonomy it contained the superfamily Pleurobranchoidea, itself cointaining the single family Pleurobranchidae. [5]

In 2017, Bouchet and colleagues emended the spelling and rank of Pleurobranchomorpha to order Pleurobranchida and separated some of the members of Pleurobranchidae into the additional famlies Pleurobranchaeidae and Quijotidae, all within the superfamily Pleurobranchoidea. [2]

In 2023, Moles and colleagues included in Pleurobranchida the new superfamily Tomthompsonioidea, containing the family Tomthompsoniidae with the single genus Tomthompsonia. [1]

As such, the following taxa are recognised in the order Pleurobranchida: [3]

References

  1. 1 2 3 4 5 Moles, Juan; Brenzinger, Bastian; Berning, Maria I; Martynov, Alexander; Korshunova, Tatiana; Schrödl, Michael (2024-10-01). "Systematic rearrangements in an all-genus phylogeny of side-gilled slugs (Heterobranchia: Pleurobranchida)". Zoological Journal of the Linnean Society. 202 (2). doi:10.1093/zoolinnean/zlad162. ISSN   0024-4082.
  2. 1 2 3 4 5 6 Bouchet, Philippe; Rocroi, Jean-Pierre; Hausdorf, Bernhard; Kaim, Andrzej; Kano, Yasunori; Nützel, Alexander; Parkhaev, Pavel; Schrödl, Michael; Strong, Ellen E. (December 2017). "Revised Classification, Nomenclator and Typification of Gastropod and Monoplacophoran Families". Malacologia. 61 (1–2): 1–526. doi:10.4002/040.061.0201. ISSN   0076-2997.
  3. 1 2 WoRMS. "Pleurobranchida". World Register of Marine Species . Retrieved 2025-11-01.
  4. ↑ Deshayes, G. P. (1830-02-01). Encyclopédie méthodique. Histoire naturelle des vers. Vol. 2. Paris: Agasse.
  5. ↑ Bouchet, P.; Rocroi, J.-P.; Frýda, J.; Hausdorf, B.; Ponder, W.; Valdes, A.; Warén, A. (2005). "Classification and nomenclator of gastropod families". Malacologia. 47 (1–2). Hackenheim, Germany: ConchBooks. ISBN   3-925919-72-4. ISSN   0076-2997.
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