Syndiniales
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| Syndiniales | |
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| Scientific classification | |
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| (unranked): | |
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| Phylum: | |
| Class: | Syndiniophyceae
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| Order: | Syndiniales Loeblich III, 1976
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| Families | |
| Synonyms | |
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The Syndiniales are an order of early branching dinoflagellates (also known as Marine Alveolates, "MALVs"), found as parasites of crustaceans, fish, algae, cnidarians, and protists (ciliates, radiolarians, other dinoflagellates).[1][2][3] The trophic form is often multinucleate, and ultimately divides to form motile spores, which have two flagella in typical dinoflagellate arrangement. They lack a theca and chloroplasts, and unlike all other orders, the nucleus is never a dinokaryon. A well-studied example is Amoebophrya, which is a parasite of other dinoflagellates and may play a part in ending red tides. Several MALV groups have been assigned to Syndiniales;[4] recent studies, however, show paraphyly of MALVs suggesting that only those groups that branch as sister to dinokaryotes ('core dinoflagellates') belong to Syndiniales.[3]
Taxonomy
[edit | edit source]- Class Syndiniophyceae Loeblich III, 1976 [Syndinea][5][6]
- Order Syndiniales Loeblich III 1976 [Coccidinales Chatton & Biecheler 1934]
- Family Hematodiniidae
- Genus Hematodinium Chatton & Poisson 1930
- Family Coccidiniaceae [Coccidinidae Chatton & Biecheler 1934]
- Genus Coccidinium Chatton & Biecheler 1934
- Family Euduboscquellidae Coats, Bachvaroff & Delwiche 2012
- Genus Euduboscquella Coats, Bachvaroff & Delwiche 2012
- Family Syndiniaceae Chatton 1920
- Genus Trypanodinium Chatton 1912
- Genus Merodinium Chatton 1923
- Genus Syndinium Chatton 1910 [Atelodinium Chatton 1920; Synhemidinium Chatton 1952 nom. illeg.; Solenodinium (Chatton 1923) Chatton 1952]
- Family Amoebophryaceae Cachon 1964 ex Loeblich III 1970 [Amoebophryidae]
- Genus Amoebophrya Koeppen 1894 [Hyalosaccus Koeppen 1899]
- Family Sphaeriparaceae Loeblich III 1970
- Genus Actinodinium Chatton & Hovasse 1937
- Genus Caryotoma Hollande 1953
- Genus Atlanticellodinium Cachon & Cachon-Enjumet 1965
- Genus Sphaeripara Poche 1911 [Lohmannia Neresheimer 1903 non Michael 1898; Lohmanella Neresheimer 1904 non Trouessart 1901; Neresheimeria Übel 1912]
- Family Hematodiniidae
- Order Syndiniales Loeblich III 1976 [Coccidinales Chatton & Biecheler 1934]
See also
[edit | edit source]References
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