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"The Carinaria has an elongated transparent body, dotted with elevated points, and furnished toward the upper part of the posterior extremity with a sort of fin, which performs the office of rudder; nearly opposite to this, on the belly, is a semicircular fin; with the aid of this it floats in the water." — Goodrich, 1859

Carinaria

"The Carinaria has an elongated transparent body, dotted with elevated points, and furnished toward…

"Found in the vicinity of the Canary Isles, the shell is minute, glassy, and compressed." — Goodrich, 1859

Atlanta peronil

"Found in the vicinity of the Canary Isles, the shell is minute, glassy, and compressed." — Goodrich,…

"These are little fish-like animals furnished with one or two fin-like organs on the body and a broad and usually bilobed caudal-fin. they are of small size and swim with great rapidity. They have hitherto been found principally in the North Sea and in the Mediterranean. The name of <em>Sagitta</em>, given to these animals, refers to their arrow-like appearance." &mdash; Goodrich, 1859

Sagitta

"These are little fish-like animals furnished with one or two fin-like organs on the body and a broad…