Brittle Star (*Ophiura annulosa*) | Ofiura | Starfish Pretre (c1835)

Serpentine Grace on the Seafloor

This original hand-colored engraving represents Ophiura annulosa, a brittle star, illustrated by Pierre Antoine Prêtre for the echinoderm section of the Dizionario di Scienze Naturali (c.1835).

The main figure is accompanied by anatomical enlargements that highlight the segmented structure of the arms and the distinctive body form of ophiuroids.

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Visual and Aesthetic Analysis

The alternating dark bands along each arm create graphic rhythm and visual motion. The star’s elongated proportions produce a striking, almost calligraphic silhouette.

This plate reads as both zoological document and decorative emblem — especially compelling for collectors drawn to structured pattern and marine minimalism.

About the Subject

Brittle stars differ from true starfish in both movement and anatomy. Their arms are highly flexible, enabling faster motion across the seabed and a distinct serpentine locomotion.

Their central disc is sharply defined from the arms, a morphological clarity that made them particularly important in early taxonomy as naturalists refined marine classification.

In nineteenth-century works, ophiuroids embodied the scientific desire to distinguish subtle anatomical orders within seemingly similar marine forms.

Condition Report

Very good antique condition. Clean margins and well-preserved hand coloring on original smooth wove paper. No watermark observed.

Details

• Artist: Pierre Antoine Prêtre
• Work: Dizionario di Scienze Naturali – Sacchetti Collection
• Period: c.1835
• Technique: Original hand-colored engraving
• Paper: Original smooth wove paper
• Watermark: None observed
• Sheet size: approx. 22 × 15 cm

Read the biography of Pierre Antoine Prêtre and explore his marine illustrations

Ophiura annulosa engraving, antique brittle star print, 19th-century echinoderm illustration, marine natural history plate.