Five athecate hydroids (hydrozoa: anthoathecata) from south-eastern australia Author Watson, Jeanette E. Honorary Research Associate, Marine Biology, Museum Victoria, GPO Box 666, Melbourne 3001, Victoria, Australia. hydroid@bigpond.com text Memoirs of Museum Victoria 2015 2015-12-31 73 19 26 journal article 292021 10.24199/j.mmv.2015.73.03 fbbb66fa-70e3-4152-95e8-4df39f9a2f48 1447-2554 10886644

Table 5. Measurements (µ m) of Pennaria wilsoni (live material)

Hydrorhiza, diameter	200−400
Stem
width at base	200−500
distance between primary branches	375−570
width primary branch	200−500
Pedicel
distance between pedicels	1000−3500
length	200−300
width	70−120
Hydranth
body length extended	500−700
length of extended aboral tentacle	2000−3000
length oral (capitate) tentacle	250−350
Eumedusa at release
length	1050
width at base of bell	1000