Definition

Proper noun: * Family Dermochelyidae: A taxonomic family of marine turtles containing a single living species, the leatherback sea turtle (Dermochelys coriacea). This family is characterized by a unique shell structure lacking bony plates, instead being covered by a leathery skin.

Usage

• Scientific Classification: Used primarily in biological and zoological contexts to classify a distinct lineage of sea turtles.
  • The leatherback is the sole surviving member of the family Dermochelyidae.
  • Fossil evidence helps scientists understand the evolution of Family Dermochelyidae.

Advanced Usage

• Taxonomic Context: Often used in contrast to the other extant sea turtle family, Cheloniidae (which includes species like green turtles and loggerheads).
  • Unlike the hard-shelled turtles in Family Cheloniidae, those in Family Dermochelyidae possess a flexible, ridged carapace.

Variants and Related Words

• Dermochelyid (noun/adjective): A member of the family Dermochelyidae; pertaining to this family.
  • The dermochelyid lineage is ancient.
• Leatherback turtle / Leatherback sea turtle (): The common name for the only living species within this family.

Synonyms

• Leatherback turtle family: A descriptive, non-scientific synonym.

Noun

1. sea turtles