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Studies on the Embryology of Pycnopodia helianthoides (Brandt) Stimpson
|Title:||Studies on the Embryology of Pycnopodia helianthoides (Brandt) Stimpson|
|Authors:||Greer, Donald L.|
|Date Issued:||Jul 1962|
|Publisher:||University of Hawai'i Press|
|Citation:||Greer DL. 1962. Studies on the embryology of Pycnopodia helianthoides (Brandt) Stimpson. Pac Sci 16(3): 280-285.|
|Abstract:||The Embryonic development of Pycnopodia
helianthoides, the 20-rayed sea star, which has
a small egg (120j-t), an indirect form of development,
and larval metamorphosis, has not been
previously reported in detail. Mortensen (1921)
was able to rear only the early gastrula. No other
references to the development of Pycnopodia
have been found. Species of other multi-rayed
sea stars with a yolky egg (and in consequence
a more direct form of development) are much
better known, e.g., Solaster endeca (Gemmill,
1912), Leptasterias hexactis (Osterud, 1918),
and Crossaster papposus (Gemmill, 1920).
|Appears in Collections:||
Pacific Science Volume 16, Number 3, 1962|
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