New Calcareous Dinoflagellates (Calciodinelloideae) From the Mediterranean Sea1

Meier, K J Sebastian; Janofske, Dorothea; Willems, Helmut

doi:10.1046/j.1529-8817.2002.01191.x

Cited by 18 publications

(13 citation statements)

References 29 publications

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“…A total of 11 calcareous dinoflagellate species were found from China seas, among them, three genera ( Calciodinellum, Leonella (Fütterer) Janofske & Karwath, and Posoniella (Versteegh) Streng) and seven species ( C. albatrosianum, C. levantinum, C. operosum, L. granifera, P. tricarinelloides, S. irregularis , and S. regalis ) were recorded for the first time. Calcareous dinoflagellate assemblages in the China Sea are not unique, as most have also been reported in the Mediterranean Sea (except S. irregularis ) (Montresor et al, 1994; Meier et al, 2002) and South Atlantic (Vink, 2004). The density of calcareous dinoflagellates at offshore stations is approximately 100 times greater than in coastal waters, as the average sedimentation rate is approximately 8 cm per thousand years in the South China Sea (Zhang et al, 2002), therefore, even surface sediments recovered by conventional grabs may contain sediments hundreds of years old.…”

Section: Discussionmentioning

confidence: 78%

Diversity, distribution, and new phylogenetic information of calcareous dinoflagellates from the China Sea

Luo

Yan

et al. 2011

J of Sytematics Evolution

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Calcareous dinoflagellates have been recorded from subarctic to tropical areas, inhabiting both neritic and oceanic regions. In the present study we analyse 12 sediment samples from the China Sea to establish the existence of calcareous dinoflagellates in this area. A total of 11 calcareous dinoflagellate species were recorded, among them, three genera (Calciodinellum, Leonella, Posoniella) and seven species (Calciodinellum albatrosianum, C. levantinum, C. operosum, Leonella granifera, Posoniella tricarinelloides, Scrippsiella irregularis, and S. regalis) were reported from the China Sea for the first time. Cysts of S. irregularis and S. precaria are identical, with a mesoepicystal archeopyle, representing the loss of 2–4′ and 1–3a paraplates; however, their thecal plates vary slightly and differ from each other in 78 positions of the internal transcribed spacer sequence. Scrippsiella trochoidea is dominant in coastal areas, whereas Calciodinellum albatrosianum is the most abundant offshore. Scrippsiella irregularis is distributed widely along the coast of China, whereas S. precaria is recorded only in northern China. Leonella granifera is the second most abundant species offshore, comprising 15–40% of the cyst assemblage.

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Section: Discussionmentioning

confidence: 78%

Diversity, distribution, and new phylogenetic information of calcareous dinoflagellates from the China Sea

Luo

Yan

et al. 2011

J of Sytematics Evolution

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“…13-18; 1977, plate 6, figs. 3a, b) have been assigned to C. levantinum by Meier et al (2002). 3a, b) have been assigned to C. levantinum by Meier et al (2002).…”

Section: Floral References With Notesmentioning

confidence: 99%

Calcareous dinoflagellates from a northwestern Pacific sediment trap and their paleoceanographic implications

Tanimura

2004

Micropaleontology

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Year-round changes in species composition and flux of calcareous dinoflagellates at station JT (34°09.8'N, 141°59.3'E; water depth, 8942m; trap depth, 916m) are reported. A time-series of thirteen sediment-trap samples of 29 days each, between March 5, 1991 and March 2, 1992, provided materials for this study. Vegetative cysts of a calcareous dinoflagellate, Thoracosphaera heimii, were found to be overwhelmingly dominant forming >95% of the calcareous dinoflagellate associations in all trap samples. Its' flux ranges from 910,000 shells·m -2 ·day -1 in May, 1991, to 76,000 shells·m -2 ·day -1 in September, 1991. Cysts of other calcareous dinoflagellates (Leonella granifera, Calciodinellum albatrosianum and Calciodinellum levantinum) were also found, with a maximum flux of 11,000 shells·m -2 ·day -1 for C. albatrosianum between December, 1991 and January, 1992. Based on physiological information, we suggest that species flux depends on water mass distribution linked to migration of the path of the subtropical Kuroshio Current. High to moderate flux of T. heimii occurred when the current took a meandering or a straight nearshore pathway. Waters southeast of the current prevailed over the trap station during this time. The most favorable environment, May, 1991, for T. heimii production seems to occur around a shallow thermocline formed above Subtropical Mode Water (STMW) in the waters southeast of the current. The species flux dropped when the current took an offshore pathway and flowed over the trap station. Surface and subsurface waters of the Kuroshio Current, especially during summer to autumn, is not productive of this species. The species flux also dropped while a "cold water mass" (i.e. lower salinity water cut off from the subarctic Oyashio Current) emerged over the trap station. Three cysts, L. granifera, C. albatrosianum and C. levantinum, show broadly similar abundance fluctuations to T. heimii. This close relationship between temporal changes in T. heimii productivity and path migrations of the Kuroshio Current, which is linked to the wind stress field over the North Pacific, should potentially provide information for paleoclimatic reconstructions.

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“…Most Scrippsiella species produce calcareous cysts, which are either process-bearing or relatively smooth (Lewis, 1991;Janofske, 2000;Meier et al, 2002;Montresor et al, 2003), but non-calcareous cysts are also reported in several Scrippsiella species, e.g. S. donghaiensis H. Gu, and S. enormis H. Gu (Gu et al, 2008(Gu et al, , 2013.…”

Section: Introductionmentioning

confidence: 99%

Cyst-theca relationship and phylogenetic positions ofScrippsiella planasp. nov. andS. spinifera(Peridiniales, Dinophyceae)

Luo¹,

Mertens

Bagheri

et al. 2016

European Journal of Phycology

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Species belonging to the dinophyte genus Scrippsiella are frequently reported in marine waters, but information on their distribution in brackish environments is limited. Here we describe a new species, S. plana, through incubation of non-calcified cysts from sediments collected in the South China Sea and Caspian Sea. The vegetative cells consist of a conical epitheca and a rounded hypotheca with the plate formula of Po, X, 4′, 3a, 7′′, 5C+t, 5S, 5′′′, 2′′′′. It differs from other Scrippsiella species by its flattened body in dorsoventral view and a small first anterior intercalary (1a) plate (half the size of plate 3a). Scrippsiella plana strains from the South China Sea and Caspian Sea share identical internal transcribed spacer (ITS) sequences, and show phenotypic plasticity and local adaptation in growth rate at various salinities, consistent with the environments in which they originated. In addition, two strains of S. spinifera were obtained by incubating ellipsoid cysts with calcareous spines from sediments collected along the Turkish and Hawaiian coast. They also share identical ITS sequences and differ from Duboscquodinium collinii (a parasite of tintinnids) only at two base pair positions (in the ITS2 region). Molecular phylogeny based on ITS and large subunit ribosomal DNA (LSU rDNA) sequences revealed that S. plana was nested within the Calciodinellum (CAL) clade and S. spinifera within the S. trochoidea (STR) clade. The phylogenetic position of 'Peridinium' wisconsinense is reported for the first time, which supports multiple transitions of the Peridiniales to freshwater.

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New Calcareous Dinoflagellates (Calciodinelloideae) From the Mediterranean Sea1

Cited by 18 publications

References 29 publications

Diversity, distribution, and new phylogenetic information of calcareous dinoflagellates from the China Sea

Diversity, distribution, and new phylogenetic information of calcareous dinoflagellates from the China Sea

Calcareous dinoflagellates from a northwestern Pacific sediment trap and their paleoceanographic implications

Cyst-theca relationship and phylogenetic positions ofScrippsiella planasp. nov. andS. spinifera(Peridiniales, Dinophyceae)

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