Marine Protozoa from Woods Hole - BestLightNovel.com
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2. Flagellum never thrown off 3
3. a. Pseudopodia lobose Genus _Mastigamoeba_
b. Pseudopodia ray-like Genus _Mastigophrys_
Family _Codonoecidae_:
1. Goblet-shaped cups adherent Genus *_Codonoeca_ by stalk
Family _Heteromonadidae_:
1. The long flagellum vibratory Genus *_Monas_
2. The long flagellum rigid; Genus _Sterromonas_ shorter one vibrates
* Presence at Woods Hole indicated by asterisk.
KEY TO MARINE QENERA OF CHOANOFLAGELLIDA.
1. Without gelatinous 3 or membranous test
2. With gelatinous 4 or membranous test
3. a. Attached forms:
1. Without a stalk, or with Genus *_Monosiga_ a very short one
2. With a long, simple, stalk Genus *_Codonosiga_
3. With a long, branched, stalk Genus _Codonocladium_
b. Free-swimming Genus _Desmarella_
4. Colonial, and with a gelatinous Genus _Proterospongia_ covering
* Presence at Woods Hole indicated by asterisk.
KEY TO FAMILIES AND MARINE GENERA OF HETEROMASTIGIDA.
1. Two flagella nearly equal in size Family _Bodonidae_
One main and 2 accessory flagella Family _Trimastigidae_
Family _Bodonidae_:
1. Body very plastic, Genus *_Bodo_ almost amoeboid
Body not plastic; with large Genus *_Oxyrrhis_ anterior cavity, holding flagella
Family _Trimastigidae_:
1. With an undulatory membrane Genus _Trimastix_ between accessory flagella
Without such membrane; flagella Genus _Costia_ contained in a ventral groove while at rest
* Presence at Woods Hole indicated by asterisk.
KEY TO MARINE GENERA OF POLYMASTIGIDA.
1. Body flattened; ends rounded; Genus _Trepomonas_ sides hollowed; often with wing-like processes; cross section S-shaped
2. Body pyriform; one large Genus _Tetramitus_ asymmetrical groove; 4 flagella
3. Body spherical; many flagella Genus _Multicilia_ equally distributed
KEY TO FAMILIES AND MARINE GENERA OF EUGLENIDA.
1. With deeply-insunk pharynx; 2 no mouth
With pharynx and distinct mouth Family _Peranemidae_
2. Body plastic; usually with Family _Euglenidae_ chromatoph.o.r.es and eye-spot
Body plastic; no chromatoph.o.r.es; Family _Astastidae_ no eye-spot
Family _Euglenidae_:
Body _Euglena_-like, inclosed Genus _Trachelomonas_ in sh.e.l.l with round opening for exit of flagellum
Family _Astastidae_:
Body with one flagellum Genus *_Astasia_
Family _Peranemidae_:
1. Body striped; plastic; Genus _Heteronema_ two diverse flagella
2. Body striped; not plastic; Genus *_Anisonema_ posterior flagellum longer than the other
3. Body striped; not plastic; Genus _Entosiphon_ with rod-like organ in pharynx
* Presence at Woods Hole indicated by asterisk.