Architectonica Spiral

Commonly called the Sundial shell, Architectonica is small. The specimen shown in this photo is probably less than an inch across.

Sundial Seashell 1 by Harold Davis

Sundial Seashell 1 © Harold Davis

Turn the shell over, and there’s a tiny spiral formation going down into the core of the shell. This spiral looks like a staircase—but don’t forget how small it is. The version shown here is greatly magnified, probably twenty or thirty times life size.

Architectonica Spiral 1 by Harold Davis

Architectonica Spiral 1 © Harold Davis


This entry was posted in Photography, Still Life.

One Trackback

  1. By Shell Spiral on March 26, 2013 at 4:24 pm

    […] called a “Sundial” (of the architectonica genus). It is less than an inch across, and shown elsewhere on my blog in […]

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