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Etymology

The genus name Larus derives from Ancient Greek, referring to a seabird. The species name perpetuus derives from Latin, meaning constant or forever, referencing the "long fossil history of this species."²

Description

Larus perpetuus specimens stem from Sarasota County, Florida (Late Pliocene), and Beaufort County, North Carolina (Early Pliocene).³ Its bone structure most closely resembles the black-tailed gull (Larus crassirostris), ring-billed gull (Larus delawarensis), and Audouin's gull (Ichthyaetus audouinii; formerly Larus audouinii).⁴

External links

• Larus perpetuus - Paleontology Database
• Larus perpetuus - Mindat.org
• Larus perpetuus - GBIF

References

1. Emslie, Steven D. (1995). "A Catastrophic Death Assemblage of a New Species of Cormorant and Other Seabirds from the Late Pliocene of Florida". Journal of Vertebrate Paleontology. 15 (2): 313–330. ISSN 0272-4634. https://www.jstor.org/stable/4523633 ↩

2. Emslie, Steven D. (1995). "A Catastrophic Death Assemblage of a New Species of Cormorant and Other Seabirds from the Late Pliocene of Florida". Journal of Vertebrate Paleontology. 15 (2): 313–330. ISSN 0272-4634. https://www.jstor.org/stable/4523633 ↩

3. Emslie, Steven D. (1995). "A Catastrophic Death Assemblage of a New Species of Cormorant and Other Seabirds from the Late Pliocene of Florida". Journal of Vertebrate Paleontology. 15 (2): 313–330. ISSN 0272-4634. https://www.jstor.org/stable/4523633 ↩

4. Emslie, Steven D. (1995). "A Catastrophic Death Assemblage of a New Species of Cormorant and Other Seabirds from the Late Pliocene of Florida". Journal of Vertebrate Paleontology. 15 (2): 313–330. ISSN 0272-4634. https://www.jstor.org/stable/4523633 ↩