nuda
Definition
Noun 1. A class of ctenophores: Nuda refers to a taxonomic class of marine invertebrates within the phylum Ctenophora. These organisms are characterized by the absence of tentacles. The class contains a single order and genus.
Usage
- The term is used exclusively in scientific, particularly zoological and marine biological, contexts to classify a specific group of ctenophores.
- It is a proper noun when referring to the formal taxonomic class name.
Examples
Advanced Usage
- Taxonomic Hierarchy: The word is used within a fixed Linnaean classification:
- Phylum: Ctenophora
- Class: Nuda
- Order: Beroida
- Family: Beroidae
- Genus: Beroe
Variants and Related Words
- Ctenophore (n.): The common name for animals in the phylum Ctenophora, also known as comb jellies.
- Beroe (n.): The sole genus within the class Nuda.
- Beroida (n.): The order comprising the class Nuda.
- Tentaculate (adj.): Describing ctenophores that possess tentacles, in contrast to the Nuda.
Synonyms
- Tentacle-less ctenophores: A descriptive synonym.
- Beroid ctenophores: Refers specifically to the genus , effectively synonymous with Nuda.
Notes on Meaning
This word has a single, highly specific meaning in biological taxonomy. It does not have general, idiomatic, or phrasal verb uses. Its usage is technical and confined to scientific literature.
Noun
-
ctenophores lacking tentacles; comprises one genus: beroe
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