Notaspidea
Sign in to saveNotaspidea, also known as the sidegill slugs, is an artificial grouping of sea slugs which is now split into two unrelated groups, the Umbraculida and the Pleurobranchomorpha.
Species
背楯目
ORDER
- KingdomAnimalia
- PhylumMollusca
- ClassGastropoda
- OrderPleurobranchida
via GBIF
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- Pleurobranchaea meckelii.jpg
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- Notaspidea
- taxon name
- Notaspidea
- taxon common name
- sidegill slugs
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4 sectionsContents
- Taxonomic history
- Families
- Notes
- References
Notaspidea, also known as the sidegill slugs, is an artificial grouping of sea slugs which is now split into two unrelated groups, the Umbraculida and the Pleurobranchomorpha.
==Taxonomic history== Notaspidea, also known as the sidegill slugs, was a suborder which included both sea slugs and sea snails or false limpets, marine opisthobranch gastropod molluscs in the subclass Orthogastropoda. However, in the newer taxonomy of Bouchet & Rocroi (2005), the families Umbraculidae and Tylodinidae belong to the superfamily Umbraculoidea Dall, 1889, part of the clade Umbraculida. Grande et al. (2004) found Umbraculoidea to be a sister clade to the Cephalaspidea (Acteonoidea excluded).