A = Colony (DIC and PH); B = Resting spores (PC and BF)
Life-form: Chains in colony
Size: Diameter = 3-15 µm
Resting spore: +
Note: f . radians has resting spores with spines (Jensen & Moestrup 1998)
Distinctive features: One setae long, smooth resting spores
Similar species: C. radians
Distribution: Widely
Literature:
Hasle, G. R. & Syvertsen, E. E. 1996. Marine diatoms. In: Tomas,
C. R. (ed.) Identifying marine diatoms and dinoflagellates. Academic
Press, Inc., San Diego, p. 5-385.
Jensen, K. G. & Moestrup, Ø. 1998. The genus Chaetoceros (Bacillariophyceae) in inner Danish coastal waters. Opera Botanica. 133: 1-68.
Rines, J. E. B. & Hargraves, P. E. 1988. The Chaetoceros Ehrenberg (Bacillariophyceae) flora of Narragansett Bay, Rhode Island, USA. Bibliotheca Phycologica 79: 1-196.
Sundström, B. 1973. Chaetoceros arter i Öresund. MSc. Thesis Univ. of Lund. 77 pp.