Quantitative data on Obelia dichotoma.

Length & width measurements of nematocysts in Obelia dichotoma by Oestman et al., '87, Oestman, '82.


Oestman 12
record #12
speciesObelia Peron & Lesueur, 1810 dichotoma = plicata = dubia, not longissima (L., 1758)
ClassHydrozoa
SubclassThecatae-Leptomedusae (Calyptoblastea)
OrderProboscoida Broch 1909
Suborder/superfamilyCampanulariida Bouillon 1984; Campanulariidea Bouillon 1984
FamilyCampanulariidae Hincks 1868; Johnston (cf. Cornelius 1982)
phenomorphPo (various)
materialSweden, Gullmar Fjord; MayÐSept.
source of quantitative dataOestman et al., Ô87; Tables I, V, Oestman, Ô82
typematerial#length (range)meanSDnWidth (range) meanSDnLength/width (range)
pMi b-M (various cap letter types) tent & various locations
Mi b-M (various cap letter types) tent & various locations
Oestman et al., '876.0Ð8.5 (x c. 2?)
Table I, Oestman, Ô82
Atentacle57.0Ð9.08±0.3512.0Ð3.02.5±0.2512.8Ð4.3
Ahydrocaulus56.5Ð9.07.5±0.5522.0Ð2.52±0.2522.8Ð4.5
AM46.0Ð7.57±0.4462.0Ð2.52.5±0.3462.6Ð3.8
AI various I types) tent\ApI tent\HoI tent\MeI tent
Table V, Oestman, '82
IDhydranth2C/78.0Ð10.59±0.6672.0Ð2.52±0.1674.0Ð5.3
IDhydrocaulus2C/77.0Ð9.58.5±0.6581.5Ð2.52±0.2583.5Ð6.0
IDM2C/48.0Ð10.09.5±0.5581.5Ð2.52±0.1584.0Ð6.7
Idhydranth2C/77.0Ð10.08±0.7501.0Ð1.51±0.1505.3Ð9.0
Idhydrocaulus2C/76.5Ð9.08±0.6521.0Ð1.51±0.1526.0Ð9.0
IdM2C/47.0Ð10.08±0.62611±026


Last Updated: Feb. 4, 1996.

Analyst/Contact: S. Shostak

E-Mail Address: sshostak+@pitt.edu