Definition

Noun: - A taxonomic suborder: In some, particularly older, biological classification systems, this term refers to a grouping of birds that is equivalent in scope to the family Anatidae. This family includes ducks, geese, swans, and similar waterfowl.

Usage

• The term is used in the context of scientific taxonomy and ornithology to categorize a specific group of waterfowl birds.
• It is important to note that this classification is considered outdated in modern taxonomy.

Examples

Advanced Usage

• The term is primarily of historical interest in biological classification, as modern systems often use different hierarchical ranks and groupings for these birds.

Variants and Related Words

• Anseriformes (n): The modern taxonomic order that includes ducks, geese, swans, and screamers. This is the current, more commonly accepted classification.
• Anatidae (n): The scientific family name for ducks, geese, and swans.

Synonyms

• Waterfowl group (in the specific context of the older classification system).

Noun

1. used in some especially older classifications; coextensive with the family Anatidae