order lobata

Thân thiện

A young ctenophore of order Lobata swims in the open ocean.

Definition

Noun: - A taxonomic order of ctenophores (comb jellies): "order Lobata" refers to a specific biological order within the phylum Ctenophora. Its members are characterized by having prominent oral lobes and a body that is compressed in the vertical plane.

Usage

• The term "order Lobata" is used in scientific and zoological contexts to classify and discuss a specific group of ctenophores.
• It is typically used with a singular verb when referring to the taxonomic group as a single entity.

Examples

• Mnemiopsis leidyi.

Advanced Usage

• Taxonomic Hierarchy: The term is used within the formal biological classification system.
  • The phylum Ctenophora is divided into several classes, one of which contains the order Lobata.

Variants and Related Words

• Lobate (adj): Having lobes or a lobed shape. This adjective describes the physical characteristic that gives the order its name.
  • The lobate body plan is a defining feature.
• Lobate ctenophore (n): A common name for organisms within this order.
  • We observed a lobate ctenophore drifting near the surface.

Synonyms

• Lobate order: A less formal synonym referencing the same taxonomic group.
• Ctenophore order Lobata: A more explicit synonym that includes the phylum name for clarity.

Notes on Meaning

The definition provided specifies key morphological traits: 1. Tentacles only in the immature stage: Adult specimens typically lack the long tentacles found in other ctenophore orders. 2. Body compressed vertically: The body is flattened from top to bottom. 3. Two large oral lobes: These are fleshy extensions used for feeding. 4. Four pointed processes: These are often auricles or other projections near the body's extremities.

Học thuật

Noun

1. ctenophore having tentacles only in the immature stage; body compressed vertically having two large oral lobes and four pointed processes

Từ đồng nghĩa

• Lobata
• order Lobata