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Crinoid (Saccocoma pectinata)

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description Crinoid (Saccocoma pectinata) Overview

Saccocoma pectinata is an extinct crinoid from the Late Jurassic Solnhofen Limestone of Bavaria, Germany. Its small, highly branched arms and lack of a conventional long stem led to its long-standing interpretation as a pelagic or free-swimming crinoid, and the fossils are common in Solnhofen slabs. Later studies have questioned whether Saccocoma was truly pelagic and have proposed a benthic mode of life, so its ecology remains debated.

help Crinoid (Saccocoma pectinata) FAQ

What is Saccocoma pectinata?

Saccocoma pectinata is an extinct crinoid from the Late Jurassic. Its fossils are associated with the Solnhofen Limestone of Bavaria, Germany.

Where are Saccocoma pectinata fossils found?

The species is known from the Solnhofen Limestone in Bavaria, Germany. That famous limestone formation preserves many delicate Jurassic fossils.

Why was Saccocoma pectinata thought to swim?

Its small, highly branched arms and lack of a conventional long stem led to a long-standing interpretation as a pelagic, or free-swimming, crinoid. That body plan differs from the familiar stalked crinoid form.

How common are Saccocoma pectinata fossils?

Saccocoma pectinata fossils are common in the Solnhofen Limestone. Their delicate branching arms are among the features preserved in these Jurassic deposits.

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