No common name

Baseodiscus delineatus

ORDER

Heteronemertea

FAMILY

Baseodiscidae

TAXONOMY

Baseodiscus delineatus (Delle Chiaje, 1825), Italy.

OTHER COMMON NAMES None known.

PHYSICAL CHARACTERISTICS

May attain lengths of 3.3 ft (1 m) or more, but rarely more than 0.07-0.11 in (2-3 mm) wide. Head slightly bi-lobed, demarcated from rest of body, with numerous black or dark brown eyes, mainly distributed along the cephalic margins, and form two large dorsolateral groups near back of head. Background color uniform dull yellowish fawn to light brown, marked by reddish brown, interrupted longitudinal stripes extending full body length.

DISTRIBUTION

From Iceland eastwards to the Atlantic and North Sea coasts of Europe.

HABITAT

Lower shore beneath boulders or sublittorally on coarse shell or gravel substrata containing some mud or sand.

BEHAVIOR Nothing is known.

FEEDING ECOLOGY AND DIET

Nothing is known.

REPRODUCTIVE BIOLOGY

Separate sexes, external fertilization with pelagic larvae.

CONSERVATION STATUS

Not threatened.

SIGNIFICANCE TO HUMANS None known. ♦

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