Definition

1. Noun:
   • A specific species of ichthyosaur: "Stenopterygius quadrisicissus" is the scientific name for a particular species of extinct marine reptile belonging to the genus Stenopterygius.

Usage

• The term "Stenopterygius quadrisicissus" is used exclusively in scientific contexts, particularly in paleontology, to identify and discuss this specific species of ichthyosaur.
• It follows the binomial nomenclature system (Genus + specific epithet) established for classifying organisms.

Examples

• Noun:
  • The fossil was conclusively identified as Stenopterygius quadrisicissus. (The fossil was conclusively identified as belonging to the species Stenopterygius quadrisicissus.)
  • Research compares the fin structure of Stenopterygius quadrisicissus with other ichthyosaurs. (Research compares the fin structure of the species Stenopterygius quadrisicissus with other ichthyosaurs.)

Advanced Usage

• In technical writing, the name is often italicized. After first use, the genus name may be abbreviated.
  • Several specimens of S. quadrisicissus were recovered from the site. (Several specimens of Stenopterygius quadrisicissus were recovered from the site.)

Variants and Related Words

• Stenopterygius (n): The genus name. This group includes several species of ichthyosaurs from the Jurassic period.
• Ichthyosaur (n): The broader order of extinct, dolphin-like marine reptiles to which belongs.

Synonyms

• There are no common-language synonyms for this precise scientific name. In informal contexts, it might be referred to generally as an ichthyosaur or a Stenopterygius ichthyosaur, but these are not exact synonyms for the species .

Related Phrases

• Type specimen: The original fossil specimen used to describe the species .
• Fossil record: The collective evidence provided by fossils of .

Noun

1. an ichthyosaur of the genus Stenopterygius