Habitat
provided by Marine Rotifera LifeDesk
Freshwater and marine habitat.
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- cc-by-nc
- copyright
- Leasi, Francesca
Morphology
provided by Marine Rotifera LifeDesk
One caudal spine. Dorsal plate areolations heavy and no pustulation on either plate.
- license
- cc-by-nc
- copyright
- Leasi, Francesca
Size
provided by Marine Rotifera LifeDesk
Total length 187-229 µm; the average ratio total length/spine length is constant around 3.75. A slight increase in total length can be observed sometimes in smaller specimens.
- license
- cc-by-nc
- copyright
- Leasi, Francesca
Biogeography
provided by Rotifers of the World
Nearctis
Collection specimen
provided by Rotifers of the World
Non-type voucher specimen for Keratella crassa Ahlstrom, 1943
Catalog number: 1371
Collection: Academy of Natural Sciences of Drexel University, Philadelphia, USA
Prepared by: Bennetch, L M
Sex/stage/structure: females
Preparation: Slide Preparation
Specimen Count: 7
Collection specimen
provided by Rotifers of the World
Non-type voucher specimen for Keratella crassa Ahlstrom, 1943
Catalog number: 39807
Collection: National Museum of Natural History, Smithsonian Institution, Washington DC, USA
Prepared by: Myers, F J
Sex/stage/structure: females
Preparation: Slide Preparation; Microscope slide
Specimen Count: 3
Collection specimen
provided by Rotifers of the World
holotype for Keratella crassa Ahlstrom, 1943
Catalog number: 1197
Collection: American Museum of Natural History, New York, USA
Prepared by: Myers, F J
Sex/stage/structure: female
Preparation: Slide Preparation
Collection specimen
provided by Rotifers of the World
Non-type voucher specimen for Keratella crassa Ahlstrom, 1943
Catalog number: 0686
Collection: Academy of Natural Sciences of Drexel University, Philadelphia, USA
Prepared by: Myers, F J
Sex/stage/structure: females
Preparation: Slide Preparation
Specimen Count: 4
