List species and varieties by family
Metridinidae Sars, 1902 ( Arietelloidea )
(1) Gaussia Wolfenden, 1905
Rem.: Type: Pleuromma princeps T. Scott, 1894. Total: 4 spp.

Diagnosis after Bradford-Grieve (1999b, p.110) :
-As for family definition.
- Head with a small conical knob anteriorly.
- Metasome without a differentiated luminous organ.
- Posterolateral corners of metasome produced into spines which are more prominent in female than male.
- Genital segment of female symmetrically or asymmetrically inflated, sometimes with a black mass ventrally
- Urosome female segment 2 with distolateral borders produced into small flaps.
- Anal segment in both sexes produced into large pterygoid processes terminated with a pore and with fine hairs on both sides of segment which arise from ventral surface.
- Caudal rami with a blunt process on distal border.
- Right A1 of male geniculate, segment 12 with a small rounded glandular structure in addition to an aesthetasc and a seta.
- Mx1 with a small but distinct outer lobe 2 bearing a single plumose seta.
- Endopod segment 1 of P2 with 2 inner hooks.
- Female P5 3-4-segmented, segment 3 with a long plumose seta, segment 4 with 2 shorter plumose setae.
- Male P5 3-segmented; left segment 3 with 2 strong processes, 1 directed distally and the other proximally; right segment 3 with 4 setae, distal half of segment with an undulating inner margin.

[1] Gaussia asymmetrica  Björnberg & Campaner, 1988   (F)    [Figs]

[2] Gaussia intermedia  Defaye, 1998   (F,M)    [Figs]

Gaussia melanotica    Wolfenden, 1905   (F,M)

[3] Gaussia princeps  (T. Scott, 1894)   (F,M)    [Figs]

Gaussia scotti    Giesbrecht, 1897   (F,M)
Syn.: Metridia scotti Giesbrecht, 1897 b (p.254, Rem.M); Giesbrecht & Schmeil, 1898 (p.107, Rem.M)
Ref.: Wolfenden, 1905 a (p.5, figs.F,M); Vervoort, 1965 (p.103); Saraswathy, 1973 a (p.91, figs.F,M); Hulsemann, 1988 (p.188, Rem.)
Rem.: Cf. Gaussia princeps

[4] Gaussia sewelli  Saraswathy, 1973   (F,M)    [Figs]
(2) Metridia Boeck, 1864
Rem.: Type: Metridia armata Boeck, 1865 (= Calanus longus (Lubbock, 1854). Total: 25 spp. (of which 3 doubtful) + 3 unidentified.

Diagnosis after Bradford-Grieve (1999 b, p.112) :
- As in family definition.
- Urosome narrow.
- Body without a differentiated luminous organ.
- A2 with exopod a little longer than endopod, 6-segmented.
- P2 endopod segment 1 with a strong pair of internal hooks one larger than the other.
- Female P5 3- or 4-segmented with 2 or 3 long plumose terminal setae.
- Male P5 5-segmented, more or less curved ; on right (or left) the last segment is slightly widened, the antepenultimate segment with a long curved inner appendage.

[1] Metridia alata  Roe, 1975   (F,M)    [Figs]

[2] Metridia andraeana  Brady, 1918   (F,M)
Rem.: Doubtful species.
Sampling depth (sub-Antarct.) : 0-200 m.

Metridia armata    Boeck, 1864   (F,M)
Ref.: Brady, 1878 (p.42, figs.F,M); Giesbrecht & Schmeil, 1898 (p.106)
Loc: Irlande
Rem.: Cf. Metridia longa

[3] Metridia asymmetrica  Brodsky, 1950   (F,M)    [Figs]

Metridia atra    Esterly, 1906   (F,M)
Ref.: Esterly, 1906 a (p.70, figs.F,M); Vervoort, 1965 (p.104, Rem.)
Loc: Pacif. E (San Diego), Philippines, Nouvelle-Calédonie N
Rem.: Cf. Gaussia princeps

[4] Metridia bicornuta  Davis, 1949   (F)    [Figs]

[5] Metridia boecki  Giesbrecht, 1889   (F, ?M)    [Figs]

[6] Metridia brevicauda  Giesbrecht, 1889   (F,M)    [Figs]

[7] Metridia calypsoi  Gaudy, 1963   (M)    [Figs]

[8] Metridia curticauda  Giesbrecht, 1889   (F,M)    [Figs]

[9] Metridia discreta  Farran, 1946   (F,M)    [Figs]

[10] Metridia effusa  Grice & Hulsemann, 1967   (F,M)    [Figs]

[11] Metridia ferrarii  Markhaseva, 2001   (F,M)    [Figs]

[12] Metridia gerlachei  Giesbrecht, 1902   (F,M)    [Figs]

[13] Metridia gurjanovae  Brodsky, 1950   (F,M)    [Figs]

Metridia hibernica    Brady & Robertson, 1873   (F,M)
Syn.: Paracalanus hibernicus Brady & Robertson,1873
Ref.: Giesbrecht, 1892 (p.339); Wheeler, 1901 (p.176, figs.F,M, Rem.)
Loc: Woods Hole
Rem.: Cf. Metridia lucens

[14] Metridia ignota  Esterly, 1906   (F)    [Figs]

[15] Metridia longa  (Lubbock, 1854)   (F,M)    [Figs]

Metridia longa spinulosa    Linko, 1913   
Ref.: Brodsky, 1950 (1967) (p.293, figs.F)
Loc: Arct., Cap Chelyuskin
N: 2

[16] Metridia lucens  Boeck, 1864   (F,M)    [Figs]

Metridia lucens pacifica    Brodsky, 1948   
Ref.: Brodsky, 1950 (1967) (p.295)
Rem.: Cf. Metridia pacifica

[17] Metridia macrura  Sars, 1905   (F,M)    [Figs]

Metridia normani    Giesbrecht, 1892   (F,M)
Ref.: Giesbrecht, 1892 (p.340, Descr.M, figs.M); Giesbrecht & Schmeil, 1898 (p.107); Wolfenden, 1904 (p.136, figs.F); 1911 (p.287); Vervoort, 1957 (p.121)
Loc: Féroé, Is. Cap Vert
Rem.: La femelle est probablement juvénile. Cf. Metridia venusta

[18] Metridia okhotensis  Brodsky, 1950   (F,M)    [Figs]

[19] Metridia ornata  Brodsky, 1950   (F,M)    [Figs]

[20] Metridia pacifica  Brodsky, 1950   (F,M)    [Figs]

[21] Metridia princeps  Giesbrecht, 1889   (F,M)    [Figs]

Metridia scotti    Giesbrecht, 1897   (M)
Syn.: Pleuromma princeps T. Scott, 1894 b (p.42); non M. scotti : Sewell, 1913 (p.354)
Ref.: Giesbrecht, 1897 b (p.254); Hulsemann, 1988 (p.188, Rem.)
Loc: G. de Guinée
Rem.: Cf. Gaussia princeps

[22] Metridia pseudoasymmetrica  Markhaseva, 2001   (F,M)    [Figs]

[23] Metridia similis  Brodsky, 1950   (F,M)    [Figs]

[24] Metridia trispinosa  Brady, 1918   (M)

[25] Metridia venusta  Giesbrecht, 1889   (F,M)    [Figs]

[26] Metridia sp.  Esterly, 1906   (F,M)    [Figs]

Metridia sp.    Esterly, 1924   (F,M)
Ref.: Esterly, 1924 (p.96, figs.F,M)
Loc: San Francisco
Lg.: (145) F: 2,6; M: 2,1
Rem.: Cf. Metridia pacifica ou lucens , ou boecki

[27] Metridia sp.  Candeias, 1926   (M)

[28] Metridia sp.  Chihara & Murano, 1997   (F)    [Figs]
(3) Pleuromamma Giesbrecht, 1898
Rem.: Type: Diaptomus abdominalis Lubbock, 1856. Total: 11 spp. + 1 (juv.?).

Diagnosis after Bradford-Grieve (1999 b, p.118) :
- As in family definition.
- Urosome shorter than in Metridia, often asymmetrical, with curved segments and setal bundles.
- Head with a short acute apical process.
- Rostrum massive with 2 hairy filaments.
- Proximal part of A1 with large outer denticles.
- Asymmetrically situated circular, convex black spot on right or left side of cephalothorax (probably a luminous organ).
- Endopod segment 1 of P2 with an uncinateinner border as in Metridia, but right and left legs ofthen differ in size ; only one leg uncinate in some cases.
- Outer spine on exopod segment 1 of P3 with an elongate base, marked off by a deep notch.
- P5 of two types in female – with 3 free segments and 3 long setae on distal segment ; or with 1 free segment and 3 short spines on distal segment
- Right P5 of male distal segment strongly curved, round ; preceding segment of same leg with a long curved inner spine.

[1] Pleuromamma abdominalis  (Lubbock, 1856)   (F,M)    [Figs]
Rem.: epi-meso-bathypelagic. After Pearson (1906, p.24): vertical range down to near 4000 m. Considered as vetical migrator. Overall Depth Range in Sargasso Sea: 0-2000 m (Deevey & Brooks, 1977, Station "S"); ? Harding, 1974, off E Cape Cod (2000-1000 m). 0-457 m at Station S 2 in S Bösö (E middle Japan).
After Brinton & al., 1986 (p.246, Table 1); Wilson's (1950) Gulf of California records of P. robusta are probably based on misidentification of abdominalis.
For Fornshell & Ferrari (2010, p.763) the widespread distribution of morphs attribuable to forms typica and forma edentata, their co-occurrences, and the presence of specmens exhibiting morphologies incrementally graduated between the two forms, suggest that these two morphological forms of P. abdominalis are examples of a continuous variability within this species. Thus the authors do not believe that forma edentata should be treated as a subspecies of P. abdominalis. However it is important to continue to register the morphological variation among males of P. abdominalis. In situations where groups of females or males can be clearly categorized, they should be denoted simply as morphs.
After Lapernat & Razouls (2002, p.19) the Itoh's index value = 657.3 (number of teeth: 8) on the right Md, and 672.2 on the left Md (number of teeth: 8).
Timonin (1971, p.282) considers the trophic interrelations in the equatorial and tropical Indian Ocean, and divides the plankters into 6 trophic groups from the litterature and the results of studies of mouth-parts structure and intestine content. This species is omnivorous.
In vertical tow 4000-3000 m (Harding, 1974).

Steuer, 1931 (p.8, 9) définit 3 formes: typica , edentata , abyssalis :
Pleuromamma abdominalis abdominalis (Lubbock,1856) (F,M)
Syn.: P. abdominalis typica Steuer, 1931 (p.8, fig.F); 1932 a (p.12, figs.F,M); 1933 (p.5, figs.F,M); Dakin & Colefax, 1940 (p.85, figs.F); Vervoort, 1957 (p.124); Tanaka, 1960 (p.51); Grice, 1962 (p.215, figs.F,M); Grice & Hart, 1962 (tab.3); Grice, 1963 a (p.496); Grice & Hulsemann, 1965 (p.224); Vervoort, 1965 (p.106, Rem.); Carter, 1977 (1978) (p.36); Jimenez-Perez & Lara-Lara, 1988; Haury & al., 2000 (p.69, Table 1, Fig.7); Rebstock, 2001 (tab.2); 2002 (p.71, Table 3, Fig.2, climatic variability); Mackas & al., 2006 (L22S07, Table 2); P. abdominalis abyssalis-thermophila Dakin & Colefax, 1940 (p.85, figs.M)
Ref.: Gaudy, 1962 (p.108, 133, figs.juv.,F); Mazza, 1962 (p.336, figs.F,M); Vervoort, 1965 (p.106, Rem.); Mazza, 1967 (p.186, Rem. juv.); Grice & Hulsemann, 1968 (tab.2); Park, 1970 (p.477); Longhurst, 1985 (tab.2); Lapernat, 1999 (p.23, 55), Lapernat & Razouls, 2001 (tab.1)
Loc.: Antarct. (rare), sub-Antarct.(rare), South Africa, Atlant., Congo, Caribbean Sea, Sargasso Sea, N Madeira, W Ireland, Medititerranean Sea, off Malta, Red Sea, Indian, Indonesia, Pacif., Australia (Nouvelle-Galles du Sud), New Zealand, California, G. of California, off W Guatemala, off Juan Fernandez Is.
Lg.: (16) F: 3,28-2,6; M: 3,15-2,74; (101) F: 3,13-2,85; M: 3,13-2,79; (207) F: 3,31-2,59; M: 3,54-2,93; (340) F: 3,2; 2,9; M: 4,25; 3
Pleuromamma abdominalis abyssalis Steuer,1931 (F,M)
Ref.: Steuer, 1931 (p.9, figs.M); 1932 a (p.13, figs.F,M); 1933 (p.8, figs.M); Farran, 1936 a (p.110, Rem.); Grice, 1962 (p.215, figs.M); Vervoort, 1965 (p.107)
Ref. compl.: Saraswathy, 1986 (p.192); Morales-Ramirez & Suarez-Morales, 2008 (p.520); Wishner & al.,2013 (p.122, diel vertical migration)
Loc.: South Africa (W & S), Faroe, Indian, Pacif., W Costa Rica
Lg.: (34) F: 2,76-2,52; M: 2,68-2,4; (101) M: 3,06
Pleuromamma abdominalis edentata Steuer,1931 (F)
Ref.: Steuer, 1931 (p.8, fig.F); 1932 a (p.12, figs.F); 1933 (p.7, figs.F); Grice, 1962 (p.215, figs.F); Vervoort, 1965 (p.107); Vidal, 1968 (p.34, figs.F); Corral Estrada, 1970 (p.174, Rem.); Park, 1970 (p.477); Carter, 1977 (1978) (p.36); Dessier, 1979 (p.206); Longhurst, 1985 (tab.2); Jimenez-Perez & Lara-Lara, 1988; Haury & al., 2000 (p.69, Table 1); Rebstock, 2001 (tab.2); Rebstock, 2002 (p.71, Table 3, 5, 6, Fig.2, climatic variability); Mackas & al., 2006 (L22S07, Table 2); Morales-Ramirez & Suarez-Morales, 2008 (p.520)
Loc.: South Africa (W & S, SE), G. of Guinea, Caribbean Sea, Indian, Pacif. (equatorial), California, G. of California, off Guatemala W, W Costa Rica
Lg.: (101) F: 3,06-2,75; (180) F: 3,31-3,29; M: 3,4; 3,33; (187) F: 3,35

After Ehrhardt (1967, p.888, 894) the species is found in the southwest Tyrrhenian Sea in water salinity between 37.21-38.51 p.1000 (mainly between 37.22- 37.79) and for the Oxygen between 4.61-6.40 cm3/l (mainly between 5.18-5.42).
After Benedetti & al. (2018, p.1, Fig.2) this species belonging to the functional group 3 corresponding to large filter feeding herbivorous.

See in DVP Conway & al., 2003 (version 1)
: R. Stephen, 2007 : Data sheets of NIO, Kochi, India (on line).

After Sano & al (2013, p.14, Table 2) atomic C:N ratio (mean ±SD) = 4.7 ±0.2, n = 9, in Sagami Bay (21-27 April 2009).

Pleuromamma abdominalis abdominalis    Lubbock, 1856   (F,M)
Syn.: P. abdominalis typica Steuer, 1931 (p.8, fig.F); 1932 a (p.12, figs.F,M); 1933 (p.5, figs.F,M); Dakin & Colefax, 1940 (p.85, figs.F); Vervoort, 1957 (p.124); Grice, 1962 (p.215, figs.F,M); Grice & Hart, 1962 (tab.3); Grice & Hulsemann, 1965 (p.224); Carter, 1977 (1978) (p.36); Jimenez-Perez & Lara-Lara, 1988; Rebstock, 2001 (tab.2); P. abdominalis abyssalis-thermophila Dakin & Colefax, 1940 (p.85, figs.M)
Ref.: Gaudy, 1962 (p.108, 133, figs.juv.,F); Mazza, 1962 (p.336, figs.F,M); Vervoort, 1965 (p.106, Rem.); Mazza, 1967 (p.186, Rem. juv.); Grice & Hulsemann, 1968 (tab.2); Park, 1970 (p.477); Longhurst, 1985 (tab.2); Lapernat, 1999 (p.23, 55), Lapernat & Razouls, 2001 (tab.1)
Loc: Antarct. (rare), sub-Antarct.(rare), Afr. S, Atlant., Congo, Mer des Antilles, Mer des Sargasses, Madère N, Irlande W, Médit., off Malte, Mer Rouge, Indien, Indonésie, Pacif., Australie (Nouvelle-Galles du Sud), Nouvelle-Zélande, Californie, G. de Californie, off Guatemala W, off Is. Juan Fernandez
Lg.: (16) F: 3,28-2,6; M: 3,15-2,74; (101) F: 3,13-2,85; M: 3,13-2,79; (207) F: 3,31-2,59; M: 3,54-2,93; (340) F: 3,2; 2,9; M: 4,25; 3

Pleuromamma abdominalis abyssalis    Steuer, 1931   (F,M)
Ref.: Steuer, 1931 (p.9, figs.M); 1932 a (p.13, figs.F,M); 1933 (p.8, figs.M); Farran, 1936 a (p.110, Rem.); Grice, 1962 (p.215, figs.M); Vervoort, 1965 (p.107)
Ref. compl.: Saraswathy, 1986 (p.192)
Loc: Afr. W & S, Féroé, Indien, Pacif.
Lg.: (34) F: 2,76-2,52; M: 2,68-2,4; (101) M: 3,06

Pleuromamma abdominalis edentata    Steuer, 1931   (F)
Ref.: Steuer, 1931 (p.8, fig.F); 1932 a (p.12, figs.F); 1933 (p.7, figs.F); Grice, 1962 (p.215, figs.F); Vervoort, 1965 (p.107); Vidal, 1968 (p.34, figs.F); Corral Estrada, 1970 (p.174, Rem.); Park, 1970 (p.477); Carter, 1977 (1978) (p.36); Dessier, 1979 (p.206); Longhurst, 1985 (tab.2); Jimenez-Perez & Lara-Lara, 1988; Rebstock, 2001 (tab.2)
Loc: Afr. W & S, SE, G. de Guinée, Mer des Antilles, Indien, Pacif. équatorial, Californie, G. de Californie, off Guatemala W
Lg.: (101) F: 3,06-2,75; (180) F: 3,31-3,29; M: 3,4; 3,33; (187) F: 3,35

[2] Pleuromamma antarctica  Steuer, 1931   (F,M)    [Figs]

[3] Pleuromamma borealis  (F. Dahl, 1893)   (F,M)    [Figs]

[4] Pleuromamma gracilis  (Claus, 1863)   (F,M)    [Figs]

Pleuromamma gracilis esterlyi    T. Scott, 1912   
Ref.: T. Scott, 1912 (1913) (p.535, figs.F); Vervoort, 1965 (p.111)
Rem.: Cf. Pleuromamma borealis

Pleuromamma gracilis gracilis    Claus, 1863   (F,M)
Syn.: Pleuromma gracile Claus, 1863 (p.197); T. Scott, 1894 b (p.42); Pleuromamma gracilis minima Steuer, 1931 (p.6); Grice, 1962 (p.218, figs.F, Rem.)
Ref.: Vervoort, 1965 (p.108, Rem.); Mazza, 1967 (p.187, Rem. juv.); Vilela, 1968 (p.23, figs.F); Corral Estrada, 1970 (p.177, figs.M)
Ref. compl.: Grice & Hulsemann, 1967 (p.17); Park, 1970 (p.477)
Loc: sub-Antarct., Afr. S, Congo, G. de Guinée, Canaries, Lisbonne, Mer des Antilles, Mer des Sargasses, Indien W, Japon (Suruga Bay), Pacif. équatorial, Californie
N: 8
Lg.: (16) F: 2-1,65; M: 1,58; (101) F: 2,07-1,8; (180) F: 1,98-1,8; M: 1,82-1,55; (207) F: 2,12-1,88; M: 1,9-1,65

Pleuromamma gracilis maxima    Steuer, 1931   (F,M)
Ref.: Steuer, 1931 (p.6); 1932 a (p.36, 50, 77, figs.F,M); 1933 (p.19); Dakin & Colefax, 1940 (p.85, figs.F,M); Tanaka, 1963 (p.24, Rem.); Vervoort, 1965 (p.109, 110); Deevey, 1966 (p.165); Bradford, 1971 b (p.24, fig.F); Lapernat, 1999 (p.24, 55); Lapernat & Razouls, 2001 (tab.1)
Loc: Antarct., Atlant., Médit., Indien, Japon, Nouvelle-Zélande
N: 2
Rem.: 2000 m (off Malte)

Pleuromamma gracilis minima    Steuer, 1931   
Ref.: Steuer, 1931 (p.6); 1932 a (p.33, 50, 77); 1933 (p.16, figs.F,M); Tanaka, 1963 (p.24, Rem.); Vervoort, 1965 (p.109, Rem.); Grice & Hulsemann, 1965 (p.224); Mazza, 1967 (p.187, Rem. juv.); Vidal, 1968 (p.33, figs.F,M)
Lg.: (26) F: 1,9-1,88; (207) F: 2,12-1,88; M: 1,9-1,65
Rem.: Cf. Pleuromamma gracilis gracilis

Pleuromamma gracilis piseki    Steuer, 1931   
Ref.: Steuer, 1931 (p.6); 1932 a (p.34, 50, 77, figs.F,M); 1933 (p.19, figs.F,M); Vervoort, 1957 (p.124, Rem.)
Rem.: Cf. Pleuromamma piseki Farran,1929

[5] Pleuromamma indica  Wolfenden, 1905   (F,M)    [Figs]

[6] Pleuromamma johnsoni  Ferrari & Saltzman, 1998   (F,M)    [Figs]

[7] Pleuromamma piseki  Farran, 1929   (F,M)    [Figs]

Pleuromamma princeps    T. Scott, 1894   (M)
Syn.: Pleuromma princeps T. Scott, 1894 b (p.42, Descr.M, figs.M)
Ref.: Hulsemann, 1988 (p.188, Rem.)
Loc: G. de Guinée
Rem.: Cf. Gaussia princeps

[8] Pleuromamma quadrungulata  (F. Dahl, 1893)   (F,M)    [Figs]

Pleuromamma quadrungulata quadrungulata    F. Dahl, 1893   (F,M)
Syn.: P. quadrungulata typica Steuer, 1931 (p.7); 1932 a (p.29); 1933 (p.16, figs.F,M); Vervoort, 1957 (p.124); Grice, 1961 (1962) (p.218, figs.F)
Ref.: Vervoort, 1965 (p.108, Rem.); Grice & Hulsemann, 1967 (p.17)
Loc: Atlant., Indien, Pacif.
Lg.: (16) F: 3,9-3,7; M: 3,3-3,15; (101) F: 3,77; 3,51

Pleuromamma quadrungulata psychrophila    Steuer, 1931   (F,M)
Ref.: Steuer, 1931 (p.7); 1932 a (p.29, fig.F); 1933 (p.16, fig.F); Marques, 1953 (p.115, fig.M); Vervoort, 1965 (p.108, Rem.); Bradford-Grieve,1999 b (p.124: Rem. Lg.F = 4,2-4,5 mm)
Loc: G.de Guinée, Angola, Afr. S, Indien, Nouvelle-Zélande (North Island SW)

Pleuromamma quadrungulata typica    Steuer, 1931   
Ref.: Steuer, 1931 (p.7); 1932 a (p.26, 29, 49, 63, 76); 1933 (p.16); Sewell, 1947 (p.169, Rem.); Vervoort, 1965 (p.108, Rem.); Bradford-Grieve,1999 b (p.124: Rem. Lg.F = 4,45 mm)
Rem.: Cf. Pleuromamma quadrungulata quadrungulata

[9] Pleuromamma robusta  (F. Dahl, 1893)   (F,M)    [Figs]

Pleuromamma robusta antarctica    Steuer, 1931   (F,M)
Syn.: Pleuromamma robusta : Mackintosh, 1934 (p.85); Hardy & Gunther, 1935 (p.167)
Ref.: Steuer, 1931 (p.8, fig.F); 1932 a (p.24, figs.F,M); 1933 (p.13, figs.F); Vervoort, 1951 (p.123, figs.F,M); 1957 (p.125, Rem.); 1965 (p.107); Ramirez, 1969 (p.73, figs.F,M); Bradford, 1972 (p.46); Séret, 1979 (p.139, figs.F,M); Zmijewska, 1987 (tab.2a); Razouls, 1994 (p.146, figs.F,M, Rem); Errhif & al., 1997 (p.422); Ferrari & Saltzman, 1998 (p.217, Rem.); Bradford-Grieve,1999 b (p.124: Rem. Lg.F = 3,9-4,1 mm)
Loc: Antarc., sub-Antarct., Indien S (convergence subtropicale), Nouvelle-Zélande
Lg.: (25) F: 4,5-3,65; M: 3,6-3,06; (31)4,55-4; M: 3,1
Rem.: méso-bathypélagique. Cf.: Pleuromamma antarctica

Pleuromamma robusta robusta    F. Dahl, 1893   (F,M)
Syn.: Pleuromma robustum F. Dahl,1893; Pleuromamma robusta typica Steuer, 1931 (p.7); 1932 a (p.24, figs.F,M); 1933 (p.12, figs.F,M)
Ref.: Vervoort, 1965 (p.107, Rem.); Bradford, 1972 (p.46); Baessa de Aguiar, 1986 (1989) (p.60, Rem.); Razouls, 1994 (p.146, figs.F)
Loc: Antarct., G. de Guinée, Canaries, Nouvelle-Zélande
Lg.: (16) F: 3,23-2,65

Pleuromamma robusta typica    Steuer, 1931   (F,M)
Ref.: Steuer, 1931 (p.7); 1932 a (p.24); 1933 (p.12); Vervoort, 1957 (p.125); Bradford-Grieve,1999 b (p.124: Rem. Lg.F = 3,5-4,0)
Rem.: Cf. Pleuromamma robusta robusta

[10] Pleuromamma scutullata  Brodsky, 1950   (F,M)    [Figs]

Pleuromamma wolfendeni    Brady, 1918   (F)
Ref.: Brady, 1918 (p.26, Descr.F, figs.F); Sewell, 1948 (p.575, Rem.)
Loc: sub-Antarct. (I. Macquarie)
Rem.: forme juvénile. Cf.?

[11] Pleuromamma xiphias  (Giesbrecht, 1889)   (F,M)    [Figs]

Pleuromamma xiphias f. major       
Ref.: Sewell, 1947 (p.169, Rem.)
Loc: G. d’Aden, Mer Arabe, Maldives
Lg.: (11) F: 5,379-4,536; M: 5,9-5,017

Pleuromamma xiphias f. minor       
Ref.: Sewell, 1947 (p.171)
Loc: G. d’Aden, Mer Arabe, Maldives
Lg.: (11) F: 4,52-4,133; M: 4,759-4,235

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Razouls C., de Bovée F., Kouwenberg J. et Desreumaux N., 2005-2019. - Diversity and Geographic Distribution of Marine Planktonic Copepods. Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed May 25, 2019]

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Marine Planktonic Copepods

Marine Planktonic Copepods

 

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