Turners sea daisy

Xyloplax turnerae

ORDER Peripodida

FAMILY Xyloplacidae

TAXONOMY

Xyloplax turnerae Rowe, Baker, and Clark, 1988.

OTHER COMMON NAMES None known.

PHYSICAL CHARACTERISTICS

Body disc-like, slightly inflated, up to 0.47 in (12 mm) body diameter or 0.54 in (13.6 mm) including marginal spines. Abacti-nal (dorsal) plates imbricate towards centrodorsal plate, marginal spines in two sizes: 0.00354-0.00591 in (90-150 pm) and 0.00118-0.0157 in (300-400 pm). A shallow, blind sac-like stomach with a central mouth is present.

DISTRIBUTION

Tongue of the Ocean, Bahamas, Atlantic Ocean.

HABITAT

Attached to wood panels placed in 6,780 ft (2,066 m) for collection of molluskan spat.

BEHAVIOR Nothing is known.

FEEDING ECOLOGY AND DIET

Detritus and shell fragments have been found in the stomach of this species, suggesting utilization of whole food items.

REPRODUCTIVE BIOLOGY

Vitellogenic oocytes, but no developmental stages have been observed in the ovaries, indicating oviposition and possible larval stages. Larvae or yolky eggs could drift long distances in the demersal plankton assisted by sea floor ocean currents.

CONSERVATION STATUS Not listed by the IUCN.

SIGNIFICANCE TO HUMANS None known. ♦

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