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A transverse groove, the so-called cingulum (or cigulum) runs around the cell, thus dividing it into an anterior (episoma) and posterior (hyposoma). If and only if a theca is present, the parts are called epitheca and hypotheca, respectively. Posteriorly, starting from the transverse groove, there is a longitudinal furrow called the sulcus.
Above the periphery is one well-marked cingulum slightly turretting the whorl which inclines from it to the suture in a flattened manner. The aperture is pointed in front, wider behind. The columella is simple, perfectly straight, anteriorly attenuated. The body and columella show a thin dark brown glaze.
Alexandrium has a typical dinoflagellate morphology, with the episome, cingulum, hyposome, and sulcus. It has two flagella: a transverse flagellum around the cingulum groove called the girdle, and the longitudinal flagellum that extends outwards from the sulcal groove. It has an ornamented theca.
Cilus is a monospecific genus of marine ray-finned fish belonging to the family Sciaenidae, the croakers and drums. Its only species is Cilus gilberti, the corvina or corvina drum, which is found mostly tropical to temperate coastal waters of the southeastern Pacific along Central and South America. The corvina is highly prized in South America ...
Drying pacific saury. Saury is a fish with a small mouth, an elongated body, a series of small finlets between the dorsal and anal fins, and a small forked tail.The fish's color is dark green to blue on the dorsal surface, silvery below, and there are small, bright blue blotches distributed randomly on the sides.
The common ling is the longest and one of the largest of the cod-like fish, the Gadiformes, which can reach lengths of 200 cm and weights of 30 kg.It is long and slender [3] with a small head and small eyes and a large mouth, which has large teeth, [4] with the upper jaw projecting beyond the lower jaw, which bears an obvious sensory barbel.
What kind of fish is Dory? Dory, the small blue fish with a bad memory from the "Finding Nemo" franchise, is a blue tang, or a Paracanthurus hepatus in scientific terms. Native to the Indo-Pacific ...
Noctiluca scintillans is a marine species of dinoflagellate that can exist in a green or red form, depending on the pigmentation in its vacuoles.It can be found worldwide, but its geographical distribution varies depending on whether it is green or red.