Dioithona minuta - Species Card - Marine Planktonic Copepods

Dioithona minuta T. Scott, 1894 (F,M)

Taxonomy

Order Cyclopoida

details

Family Oithonidae

details

Genus Dioithona

details list species for this Genus

Abbreviations or symbols

Synonymy

Oithona minuta T. Scott, 1894 b (p.90, figs.F,M); Thompson & Scott, 1903 (p.236, 255); A. Scott, 1909 (p.195); T. Scott, 1913 (p.569); Rosendorn, 1917 a (p.36, figs.F,M); Kiefer, 1929 g (p.10, Rem.F,M); Sewell, 1948 (p.420); Sazhina & Kovalev, 1971 (p.1100, fig.F); Björnberg, 1972 (p.87); Bradford-Grieve & al., 1999 (p.886, 966, figs.F);
Ref. compl.: Delalo, 1968 (p.138, Rem.: ?); Greze & al., 1968 (p.1066, annual variation); in Oceanology, 1968 p.839, P/B quotient); Kovalev & Shmeleva, 1982 (p.85); Musayeva, 1985 (tab.1); Greze & al., 1985 (p.8); Korshenko, 1985 (p.655); Selifonova, 2000 (p.68, tab.1); Kovalev, 2003 (p.47);
no O. minuta : Coker & Gonzalez, 1960 (p.18, 20);
Oithona (Dioithona) minuta : Shuvalov, 1976 (in Kos, 1976, Vol. II, figs.F, Rem.); Shuvalov, 1980 (p.169, figs.F)

References

List of the studied authors

Vives & Shmeleva, 2010 (p.45, figs.F, Rem.)

Figures

Plate 1 issued from : I. Rosendorn in Wiss. Ergebn. dt. Tiefsee-Exped. \"Valdiviella\", 1917, 23. [p.36, Fig.21]. As Oithona minuta.
Female: a, habitus (dorsal); b, forehead (lateral); c, A1; d, urosome; e, Md; f, Mx1; g, exopod of P2; h, exopod of P4.
Nota: Proportion of lengths (p.cent) Prosome : 62.5, Urosome : 37.5 . Relative lengths of urosomal segments and caudal rami: 5 : 13 : 7 : 7 : 6 : 6. Setal formula of the exopod swimming legs P1 to P4 (Se = outer setae), P1 : 1, 1, 3 Se ; P2 : 1, 1, 3 Se ; P3 : 1, 1, 1 Se ; ; P4 : 1, 1, 2 Se. P5 with 2 setae.

Plate 2 issued from : I. Rosendorn in Wiss. Ergebn. dt. Tiefsee-Exped. \"Valdiviella\", 1917, 23. [p.37, Fig.22]. As Oithona minuta.
Male: a, habitus (dorsal); b, P1; c, P2; d, P3; e, P4.
Nota: Proportion of lengths (p.cent) Prosome : 69.05, Urosome : 30.95 . Relative lengths of urosomal segments and caudal rami: 7 : 11 : 8 : 7 : 5.5 : 4 : 4. Setal formula of the exopod swimming legs P1 to P4 (Se = outer spines), P1 : 1, 1, 3 Se ; P2 : 1, 1, 3 Se; P3 : 1, 1, 3 Se ; P4 : 1, 1, 2 Se .

Species Dioithona minuta - Plate 3 of morphological figures

Plate 3 issued from : V.S. Shuvalov in Opred. Faune SSSR, Nauka, Leningrad, 1980, 125. [p.170, Fig.51]. As Oithona minuta.
Female: 1-2, habitus (dorsal), 3, same (lateral); 4-5 forehead (dorsal and lateral); 6, A2; 7, P1; 8, P2; 9, P4; 10, thoracic segment 5 and genital segment (lateral); 11, thoracic segments 4 and 5, genital segment (dorsal); 12, posterior part of urosome (dorsal).

Species Dioithona minuta - Plate 4 of morphological figures

Plate 4 issued from : F. Vives & A.A. Shmeleva in Fauna Iberica, 2010, 33. [p.46, Fig.9]. After T. Scott, 1894.
Female: A,-B, habitus (dorsal and lateral, respectively); C, A2; D, P1; E, P2; F, P4; G, 4th and 5th pedigerous somites and genital segment (dorsal); H, 1st urosomal segment and genital segment (lateral); I, anal somite and caudal rami.

Complementary References

List of the studied authors

Dussart, 1984 (p.25, 64: occurrence):

Distribution

NZ: 8

Distribution map of Dioithona minuta by geographical zones

Distribution map of Dioithona minuta for the Zone Mediterranean Sea, Black Sea

Distribution map of Dioithona minuta for the Zone Indian Ocean

Localisations

Geographical glossary

Congo, G. of Guinea, Mouth of Amazon, Porto Rico, Ibero-moroccan Bay, Medit. (Alboran Sea, Black Sea), Red Sea, NW Indian, Sri Lanka, Indonesia-Malaysiea, W Pacif., ? Peru (in Dussart, 1984)

Quotations

N: 15

Dimensions (mm)

References of the authors concerning dimensions

(57) F: 0,64; M: 0,5; (649) F: 0,48; M: 0,42; (880) F: 0,48; {F: 0,48-0,64; M: 0,42-0,50}

Remarks

epipelagic-?; estuaries, inshore.

Greze & al. (1968), nearshore in the Black Sea, find a daily ratio P/B = .08 d^-1 and an annual P/B yr^-1 = 31.

Last update : 28/04/2020

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