Common Name

"Brown Threaded Cone"

Status

Regarded as a valid species.

Type Locality

Off Portobelo, Panama

Distribution

Panama

Maximum Reported Size

14 mm

Description

Shell small, elongately conical, thin, fragile; shoulder sharply angled, carinated; carina faintly undulating; spire moderately elevated, with stepped whorls; body whorl shiny and polished; anterior tip encircled with 6 small spiral cords; aperture narrow, slightly wider at anterior end; protoconch proportionally large, mamillated; shell color bright golde-tan wide midbody band of large patches and dark brown flammules, anterior tip marked with large white flammules; golden-tan and white base color overlaid with 21 extremely fine, hairlike, dark brown spiral lines; shoulder and spire white with large, evenly-spaced, dark brown flammules; spire flammules extend over edge of shoulder carina onto body whorl; interior of aperture white; protoconch and early whorls bright yellow.

Habitat & Habits

At 65 m.

Discussion

C. brunneofiliaris resembles no other Caribbean or Panamic cone shell.

References

• Nautilus, Philad. 104 (2): p. 66, figs 30 - 31.