DVL-0091Specimen Record

Rhamphorhynchus

Rhamphorhynchus muensteri

AI Reconstruction of Rhamphorhynchus muensteri, generated in 2026

RAM-fo-RINK-us MOON-ster-eye

✦ Not a DinosaurPterosaurs were flying reptiles that lived alongside the dinosaurs — a closely related but entirely distinct lineage.

Rhamphorhynchus was a fish-eating pterosaur famous for its long tail ending in a diamond-shaped vane and its forward-pointing teeth ideal for snatching prey from the water. Its exceptionally preserved fossils from the Solnhofen Limestone have made it one of the best-understood pterosaurs, offering remarkable insights into pterosaur biology and behavior.

Did you know?

Some Rhamphorhynchus specimens preserve fish remains in their throats and stomachs, directly proving their diet of small fish like Leptolepides.

About

Rhamphorhynchus muensteri stands as one of the most iconic pterosaurs of the Late Jurassic, its remarkably preserved fossils revealing an animal exquisitely adapted for a life hunting fish over tropical lagoons. With a wingspan reaching up to 1.81 meters in the largest individuals, this pterosaur possessed an elongated skull filled with sharp, forward-projecting teeth that interlocked when the jaws closed—a perfect mechanism for gripping slippery fish. Its most distinctive feature was a long, stiffened tail terminating in a characteristic diamond-shaped vane, likely used for flight stabilization and aerial maneuverability.

The Solnhofen Limestone of Bavaria has yielded hundreds of Rhamphorhynchus specimens, some preserving soft tissues including wing membranes, throat pouches reminiscent of pelicans, and even stomach contents confirming their piscivorous diet. These fossils reveal that the wing membrane attached to the hindlimbs and that the animal was covered in pycnofibers—hair-like structures providing insulation.

Rhamphorhynchus inhabited a subtropical archipelago environment, soaring over shallow lagoons teeming with small fish and invertebrates. It shared this ecosystem with Archaeopteryx, various marine reptiles, and other pterosaurs. Growth series studies by Bennett (1995) demonstrated that Rhamphorhynchus underwent significant changes during development, with juveniles possessing proportionally larger heads and shorter wings than adults. This pterosaur's exceptional preservation has made it invaluable for understanding pterosaur flight mechanics, ecology, and evolution.

First described1825
Discovered bySamuel Thomas von Sömmerring
Type specimenBSP 1938 I 503, Bavarian State Collection for Paleontology and Geology, Munich

Where fossils were found

Solnhofen Limestone prehistoric landscape

Solnhofen Limestone

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Modern location

Bavaria · Germany

When it lived

150.8148.5 million years ago(2.3m year span)