Cosmarium A


Cosmarium Corda ex Ralfs

C. abbreviatum Racib.	Pl. 28: 14-20
Krieger & Gerloff 1969, p.241, pl.42:14

C. abbreviatum var. minus (West et West) Krieg. & Gerl.	Pl. 28: 22-24
Krieger & Gerloff 1969, p.241, pl.42:18

C. amoenum Bréb. in Ralfs	Pl. 33: 11
W. & G.S.West 1912, p.29, pl.102:1-4.
Some specimens were slightly larger (61x31 µm) than those described by W. & G.S.West(l.c.).


C. anceps Lund.	Pl. 26: 4,5
Krieger & Gerloff 1965, p.183, pl.37:2.

C. annulatum (Näg) de Bary var. elegans Nordst.	Pl. 33: 13
W. & G.S.West 1912, p.40, pl.102:16-18.

C. asphaerosporum	Pl. 29: 5-11
Krieger & Gerloff 1969, p.

C. bioculatum Bréb. in Ralfs	Pl. 22: 7-9
Krieger & Gerloff 1962, p.59, pl.15:3. ?	Pl. 29: 23,24

C. bioculatum var. depressum (Schaarschm.) Schmidle	Pl. 22: 10-13
Krieger & Gerloff 1962, p.61, pl.15:6.

C. bioculatum var. hians West et West	Pl. 22: 14
W. & G.S.West 1905, p.166, pl.61:10-11.
In this case I follow the vision of Prescott et al.(1981, p.82) in deciding this species as not being the same as C. majae Strøm in Krieger & Gerloff (1969, p.312) or, on p.307, C.asphearosporum var. corribense (West et West) Krieger & Gerloff



C. bipunctatum Börges.	Pl. 34: 10-12
W. & G.S.West 1908, p.213, pl.85:6.

C. blyttii Wille var. novae-silvae West et West	Pl. 34: 13,14
West & West, 1908, p.227, pl.86:5-6.

C. boeckii Wille	Pl. 34: 21-23
W. & G.S.West 1908, p.234, pl.86: 26-32.

C. botrytis Menegh. ex Ralfs	Pl. 30: 9,10
W. & G.S.West 1912, p.1, pl.96:1,2.

C. caelatum Ralfs	Pl. 32: 11
W. & G.S.West 1908, p.134, pl.76:5-7.

C. capitulum Roy et Bisset var. groenlandicum B rges.	Pl. 28: 36,37
Krieger & Gerloff 1969, p.320, pl.50:7.

C. clepsydra Nordst. var. dissimile (Racib.) Krieg. & Gerl.	Pl. 22: 1
Krieger & Gerloff 1965, p.144, pl.30:9.

? C. clepsydra v. dissimile ?	Pl. 22: 2

C. clepsydra var. alaskanum Croasd.	Pl. 22: 3
Krieger & Gerloff 1965, p.144, pl.30:5.

C. connatum Bréb. in Ralfs	Pl. 16: 28,29
Krieger & Gerloff 1969, p.327, pl.52:1.

C. conspersum Ralfs var. latum (Bréb.) West et West	Pl. 31: 12
West & West 1912, p.13, pl.99:5-6.

C. contractum Kirchner	Pl. 22: 18
Krieger & Gerloff 1962, p.61, pl.17:1.

C. contractum var. ellipsoideum (Elfv.) West et West	Pl. 22: 19,20
Krieger & Gerloff 1962, p.71, pl.17:4.

C. contractum var. minutum (Delp.) West et West	Pl. 22: 15-17
Krieger & Gerloff 1962, p.75, pl.17:8.

C. cosmarioides (De Bary)Ruzicka	Pl. 17: 4,5
Ruzicka, 1987
Synonym: C. debaryi Arch.

C. cosmarioides var. novae-semliae (Wille)nov.comb.	Pl. 17: 6
Krieger & Gerloff 1962, p.85, pl. 19:10

C. costatum Nordst.	Pl. 35: 5-7
West & West 1908, p.239, pl.87:13-16.

C. crenatum Ralfs ex Ralfs	Pl. 34: 15
West, West & Carter, 1923, p.35, pl.98:9-12.

C. crenatum var. bicrenatum Nordst.	Pl. 34: 16
West, West & Carter, 1912, p.38, pl.98: 15 ?	? Pl. 34: 17

C. cucumis Corda ex Ralfs var. magnum Racib.	Pl. 17: 1
West & West, 1905, p.154, pl.59: 21,22

C. cyclicum Lund. var.arcticum Nordst.	Pl. 26: 18,19
West & West 1905, p.146, pl.58:10-11.

C. cymatonophorum West	Pl. 35: 13
West & West 1908, p.40, pl.68:37-39.

C. cymatopleurum Nordst.	Pl. 29: 25,25
Krieger & Gerloff 1965, p.149, pl.31:3.

C. davidsonii Roy & Biss.	Pl. 35: 4
West & West 1908, p.20, pl.66:25-26.

C. decedens (Reinsch) Rac.	Pl. 26: 11
Krieger & Gerloff 1965, p.178, pl.36:10.

C. depressum (Näg.) Lund.	Pl. 23: 2
Krieger & Gerloff 1962, p.20, pl.8:1. ?	Pl. 23: 3 ?

C. depressum var. achondrum (Boldt) West et West	Pl. 23: 1
Krieger & Gerloff 1962, p.20, pl.8:2.

C. difficile Lütk.	Pl. 24: 8-17
Krieger & Gerloff 1969, p.251, pl.43:18.
The shape of our specimens showed considerable variation.

C. difficile var. constrictum Messik.	Pl. 24: 1-6
Ruzicka 1972, p.466, pl.60:17-19.

C. difficile var. constrictum forma trigonum Insam & Krieger	Pl. 24: 7
Krieger & Gerloff 1969, p.254, pl.43a:24.

C. difficile var. depressum	Pl. 28: 55-59
Krieger & Gerloff 1969,

C. dybowskii Gutw.	Pl. 34: 1-4
Prescott et al. 1981, p.130, pl.267:1.

C. eductum Roy & Biss.	Pl. 35: 17-19
West & West 1908, p.261, pl.90:14-15.

C. eichlerianum (Grönbl.)Messik.	Pl. 23: 7
Messikommer, 1957, p.86, pl.1:5.
Synonym: C.rectangulare var. subrectangulare (Lütk. ex Grönbl.)Krieger&Gerloff
Krieger & Gerloff, 1969, p.270, pl.69:17.

C. elegantissimum Lund. var. simplicius West et West	Pl. 33: 12
Ruzicka, 1973, p.209, pl.10: 5-7

C. exiguum Arch. var. pressum West et West	Pl. 28: 3,4
Krieger & Gerloff 1969, p.270, pl.45:9

? C. exiguum var. subrectangulum West et West	Pl. 28: 12, 13
Krieger & Gerloff, 1969, p.273, pl.45: 10.

C. formosulum Hoff	Pl. 32: 6,7
West & West 1908, p.240, pl.88:1-3.

C. furcatospermum West et West	Pl. 34: 9
West & West 1908, p.206, pl.81:10-11.

C. galeritum Nordst.	Pl. 19: 3-6
West & West, 1905, p.194, pl.63: 24,25

C. globosum Bulnh.	Pl. 16: 25
Krieger & Gerloff 1969, p.377, pl.65:9-10

C. granatum Bréb.	Pl. 26: 1-3
Krieger & Gerloff, 1962, p.111, pl.24: 2

C. hammeri Reinsch var. homalodermum (Nordst.) West et West	Pl. 19: 1,2
Krieger & Gerloff 1965, p.102, pl.21:12.

C. hians Borge	Pl. 31: 5
Borge 1913, p.13, pl.1:6.

C. holmiense Lund. var. integrum Lund.	Pl. 27: 1,2
Krieger & Gerloff 1965, p.153, pl.33:1.

C. humile (Gay) Nordst.	Pl. 34: 18,19
West & West 1908, p.221, pl.85:16-18.

C. impressulum Elfv.	Pl. 25: 11,12
Krieger & Gerloff 1965, p.133, pl.29:4.
The shape of the cells was very variable,
sometimes approaching C. subgranatum var. borgei

C. impressulum var. alpicolum	Pl. 25: 17-20
Krieger & Gerloff, 1965

C. impressulum var. suborthogonum (West et West) Taft	Pl. 25: 13,14,16
Krieger & Gerloff 1965, p.137, pl.29:8. ?	Pl. 25: 15
Semicells with 8 undulations were common, but also
semicells with 9 and 10 undulations were observed,
within the same sample.

C. isthmium West forma hibernica West	Pl. 31: 3
West & West 1908, p.146, pl.77:11

C. isthmochondrum Nordst.	Pl. 35: 14-16
West & West 1908, p.173, pl.81:7

C. laeve Rabenh. var. messikommeri Croasd.	Pl. 28: 53,54
Prescott et al., 1981, p.168, pl.293:21-22.
Our specimens were more elongated and somewhat longer than those depicted by Messikommer (1935).

C. lundellii Delp. var. ellipticum West et West	Pl. 19: 7
West & West, 1905, p.138, pl.57: 3,4

C. margaritatum (Lund.) Roy & Biss.	Pl. 31: 8,10
West, West & Carter, 1923, p.18, pl.99:8,10.

? C. margaritatum f. minus	Pl. 31: 11
Förster, 1963.

C. margaritiferum Menegh.	Pl. 31: 6,7,9
West & West, 1908, p.199, pl.83:4-11.

C. meneghinii Bréb.	Pl. 28: 9,10
Krieger & Gerloff, 1965, p.185, pl.37:7.

C. meneghinii var. stockmeyeri (Gutw.) Messik.	Pl. 25: 5,6
Messikommer, 1958, p.299.

C. minimum West et West	Pl. 19: 19,20
Krieger & Gerloff, 1969, p.290, pl.47:10.

C. monoliforme Turp. ex Ralfs var. panduriforme (Heimerl)Schmidle	Pl. 16: 17,18
Krieger & Gerloff, 1969, p.340, pl.51: 5

C. monoliforme var. subglobosum (Förster) Scharf	Pl. 16: 26,27
Scharf, 1981, p.42, pl.63.
Basionym: C. contractum Kirchn. var. subglobosum Förster

C. monomazum Lund. var. polymazum Nordst.	Pl. 29: 34
West & West, 1908, p.140, pl.76:13-14.

C.nasutum Nordst.	Pl. 29: 35
West & West, 1908, p.259, pl.90:9-10.

C. norimbergense Reinsch var. depressum (West et West) Krieger & Gerloff
Krieger & Gerloff, 1969, p.292, pl.48:1.	Pl. 28: 11

C. nymannianum Grun. in Rabenh.	Pl. 23: 10
Krieger & Gerloff, 1962, p.105, pl.21:17.

C. obliquum Nordst.	Pl. 28: 5,6
Krieger & Gerloff, 1969, p.296, pl.48:10.

C. obtusatum Schmidle	Pl. 30: 1
Ruzicka, 1953, p.251, pl.1:1-10, pl.3:20-32.

C. ocellatum Eichl. & Gutw. var. incrassatum West et West	Pl. 22: 23,24
Krieger & Gerloff, 1962, p.38, pl.11:7.

C. ochthodes Nordst. var. amoebum W.West	Pl. 30: 2
West & West, 1912, p.11, pl.98:4-6.

C. ornatum Ralfs	Pl. 33: 2,3
West & West, 1908, p.151, pl.78:1-10.

C. orthostichum Lund.	Pl. 33: 6
W. & G.S.West, 1908. p.167, pl.80: 12-19.