Back to Profile Page

Tree of Life Media Contributed By Rosa I. Figueroa

ID Thumbnail Media Data
45732
Scientific Name Alexandrium minutum, Alexandrium taylori
Comments Examples of planozyotes, which are characterized by two longitudinal flagella (arrows) instead of one, in Alexandrium minutum (left) and Alexandrium taylori (right).
Specimen Condition Live Specimen
Identified By R.I. Figueroa
Copyright ©
Image Use restricted
Attached to Group Alexandrium (Helgolandinioideae): view page image collection
Title dinolifecyclefig.3.jpg
Image Type Photograph
Image Content Specimen(s)
ID 45732
45733
Scientific Name Lingulodinium polyedrum and Alexandrium spp
Comments Examples of resting (sexual) and pellicle (sexual and asexual) cysts. Top row: Resting sexual (left) and pellicle asexual (right) cysts in Lingulodinium polyedrum. Middle row: Resting sexual cyst (left) and multiple pellicle also sexual cyst (right) in Alexandrium taylori. Bottom row: Resting sexual (left) and pellicle asexual (right) cysts in Alexandrium minutum.
Specimen Condition Live Specimen
Identified By R.I. Figueroa
Copyright ©
Image Use restricted
Attached to Group Lingulodinium (Gonyaulacaceae): view page image collection
Alexandrium (Helgolandinioideae): view page image collection
Title dinolifecyclefig.4.jpg
Image Type Photograph
Image Content Specimen(s)
ID 45733
45734
Scientific Name Gymnodinium nolleri & Alexandrium minutum
Specimen Condition Live Specimen
Identified By R.I. Figueroa
Body Part nucleus
Copyright ©
Image Use restricted
Attached to Group Alexandrium (Helgolandinioideae): view page image collection
Gymnodinium sensu stricto (Gymnodiniaceae): view page image collection
Title dinolifecyclefig.5.jpg
Image Type Photograph
Image Content Ultrastructure
ID 45734
45730
Scientific Name Gymnodinium catenatum
Comments Vegetative chain of Gymnodinium catenatum (nuclei in the right). The cells divide by mitosis forming up to 64 cells chains.
Specimen Condition Live Specimen
Identified By R.I. Figueroa
Copyright ©
Image Use restricted
Attached to Group Gymnodinium sensu stricto (Gymnodiniaceae): view page image collection
Title dinolifecyclefig1.jpg
Image Type Photograph
Image Content Specimen(s)
ID 45730
45731
Scientific Name Alexandrium taylori, Alexandrium minutum
Comments U-shaped nuclei in vegetative cells of Alexandrium taylori (left) and Alexandrium minutum (right).
Specimen Condition Live Specimen
Identified By R.I. Figueroa
Body Part nucleus
View stained
Copyright ©
Image Use restricted
Attached to Group Alexandrium (Helgolandinioideae): view page image collection
Title dinolifecyclefig.2.jpg
Image Type Photograph
Image Content Ultrastructure
ID 45731
45735
Scientific Name Gymnodinium catenatum & Alexandrium margalefi
Comments Mitosis in nuclei of Gymnodinium catenatum (left) and Alexandrium margalefi (right).
Specimen Condition Live Specimen
Identified By R.I. Figueroa
Body Part nucleus
Copyright ©
Image Use restricted
Attached to Group Alexandrium (Helgolandinioideae): view page image collection
Gymnodinium sensu stricto (Gymnodiniaceae): view page image collection
Title dinolifecyclefig.6.jpg
Image Type Photograph
Image Content Ultrastructure
ID 45735
45736
Scientific Name Gymnodinium nolleri & Alexandrium tamutum
Comments Isogamous (left, Gymnodinium nolleri) and anisogamous (right, Alexandrium tamutum) gamete pairs.
Specimen Condition Live Specimen
Identified By R.I. Figueroa
Copyright ©
Image Use restricted
Attached to Group Alexandrium (Helgolandinioideae): view page image collection
Gymnodinium sensu stricto (Gymnodiniaceae): view page image collection
Title dinolifecyclefig.7.jpg
Image Type Photograph
Image Content Specimen(s)
ID 45736
45737
Scientific Name Gymnodinium catenatum
Comments Fusing gamete pair in Gymnodinium catenatum (left) and its nuclei in fusion process.
Specimen Condition Live Specimen
Identified By R.I. Figueroa
Copyright ©
Image Use restricted
Attached to Group Gymnodinium sensu stricto (Gymnodiniaceae): view page image collection
Title dinolifecyclefig.8.jpg
Image Type Photograph
Image Content Specimen(s)
ID 45737
45738
Comments Dinoflagellate life cycle (modified after Walker et al.1984).
Reference Walker, L. M. 1984. Life histories, dispersal and survival in marine, planktonic dinoflagellates. In Steidinger, K. A. and Walker, L. M. (Eds.) Marine Plankton Life Cycle Strategies. CRC press, Florida, USA, pp. 19-34.
Copyright ©
Image Use restricted
Attached to Group Dinoflagellates: view page image collection
Title dinolifecyclefig.9.jpg
Image Type Diagram
ID 45738
Please note: Most images and other media displayed on the Tree of Life web site are protected by copyright, and the ToL cannot act as an agent for their distribution. If you would like to use any of these materials for your own projects, you need to ask the copyright owner(s) for permission. For additional information, please refer to the ToL Copyright Policies.

Contribute to the ToL

ToL Contributions

Ways to Contribute

Use of Contributions

Scientific Content

Building Treehouses

Images/Media

  go to the Tree of Life home page
top