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Tanaka, 1969

Short Description:

Chirundina alaskaensis is an aetideid calanoid copepod known after female (3.70 mm in length) from mesopelagic waters of the north-eastern part of the Pacific Ocean.

Taxonomic Description:

Female. (Description after Tanaka (1969) with modifications). Total length 3.70 mm. Cephalothorax slightly less than 3 times longer than abdomen. Segmentation and shape of the body typical of the genus. A1 reaching the end of Abd3. A1 typical of the genus. Re P1 3-segmented, on Re1 P1 external spine absent; Ri P2 one-segmented. Rami of swimming legs 3-segmented. P4 coxopodite without internal setae.

Male unknown.

Vertical distribution:

The species was found in haul between 530 and 622 m (Tanaka, 1969).

Geographical distribution:

Pacific Ocean: the region of the south coast of Alaska (Tanaka, 1969).

Type locality: 55°35'N 132°33'W.

Material examined:

Species absent in the collections of the Zoological Institute, Russian Academy of Sciences, St. Petersburg.

Chirundina alaskaensis