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Tetraselmis ascus ( Proskauer ) R. Norris, Hori, et Chihara
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Synonyms:
Prasinocladus ascus Proskauer
Illustrations:
Abbott and Hollenberg 1976, p. 53, fig. 2 ( stalked colony ); Chihara 1963, p. 22, fig. 2: A ( photo: zooids ), D & ndash; G ( photos: germling development ), H & ndash; M ( photos: zooid formation ); Proskauer 1950, p. 60, figs. 1 & ndash; 20 ( development of sessile stages ), p. 62, figs. 21 & ndash; 40 ( development of motile stages ) Display references
Pacific Coast Distribution:
San Juan I ., Wash. and Evan ' s Pt ., Coos Co ., Ore. ( R. Norris and Wynne 1969, p. 83 ); Bodega Head, Sonoma Co ., Calif. ( Johansen 1966 a, p. 83 ); Natural Bridges State Park, Santa Cruz Co ., Calif. and Pt. Lobos, Monterey Co ., Calif. ( Proskauer 1950, p. 65 ) Display references
Taxonomy:
Hori et al. 1982; R. Norris et al. 1980; Chihara 1963; Proskauer 1950 Display references
Life History and Taxonomy:
sessile stalked colonies releasing quadriflagellate zoospores that settle on substrate to produce new sessile stalked colonies, sexual reproduction unknown ( Chihara 1963; Proskauer 1950 ) Display references
Morphology:
Proskauer 1950 Display references
Ultrastructure:
Hori and Chihara 1974 b Display references
 
J F M A M J J A S O N D
BRITISH
COLUMBIA 		Repr                         Uncommon, in shallow pools in upper intertidal and splash zone. R. Norris and Wynne 1969, p. 133. Display references
Ster           green dot            
                       
COLUMBIA
RIVER 		Repr                         Rare. R. Norris and Wynne 1969, p. 133. Display references
Ster                       green dot
                       
CAPE
ARAGO 		Repr                        
Ster                        
                       
CAPE
MENDOCINO 		Repr                        
Ster                        
                       
POINT
ARENA 		Repr                         Uncommon, on upper intertidal rocks in exposed habitats. Johansen 1966 a, p. 83. Kjeldsen 1995, p. 11. Display references
Ster                     green dot  
                       
SAN
FRANCISCO 		Repr                     green dot   Uncommon, in rock pool in upper intertidal. Proskauer 1950, p. 65. Display references
Ster         green dot              
                       
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Page dated: Mon Feb 13 21: 24: 48 2006
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