A gentle method for the preparation of hard parts (trophi) of the mastax of rotifers and scanning electron microscopy of the trophi ofBrachionus plicatilis (Rotifera)

Kleinow, W.; Klusemann, J; Wratil, H.

doi:10.1007/bf00803573

Cited by 32 publications

(26 citation statements)

References 5 publications

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“…The rami ('ra') are broad, rounded externally and have conspicuous anterior processes ('ap', 'membrane' after Kleinow et al, 1990) onto which some membraneous filaments between rami and unci are attached. The median edge of the rami are adorned with rows of zig-zag like processes, apparently complementary to the unci ( Fig.…”

Section: Resultsmentioning

confidence: 99%

On the taxonomy of the Brachionidae: description of Plationus n. gen. (Rotifera, Monogononta)

1993

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Section: Resultsmentioning

confidence: 99%

On the taxonomy of the Brachionidae: description of Plationus n. gen. (Rotifera, Monogononta)

1993

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“…Specimens were mounted on stubs and coated with gold. Trophi were prepared under a stereomicroscope (Leica MZ12 5 ) with the procedure of DE SMET (1998) but with SDS/DTT (modified after KLEINOW et al, 1990) as the dissolving agent. Therefore a stock solution was prepared (5.2 g sodium dodecyl sulphate (SDS) + 0.24 g NH 4 HCO 3 in 100 ml distilled water).…”

Section: Methodsmentioning

confidence: 99%

Description of Bryceella perpusilla n. sp. (Monogononta: Proalidae), a New Rotifer Species from Terrestrial Mosses, with Notes on the Ground Plan of Bryceella Remane, 1929

Wilts

Arbizu

Ahlrichs

2010

International Review of Hydrobiology

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We here describe the new proalid rotifer species Bryceella perpusilla n. sp. on the basis of light and electron microscopy. The species, certainly representing one of the smallest rotifer and even metazoan species at all, was obtained in January 2008 from terrestrial mosses of North-west Germany. Bryceella perpusilla n. sp. is distinguished from other species of the genus by the very small size, the slender body outline, the short apical styli, the triangular rostrum, the outward curving, blunt and rod-shaped toes, the four-nucleated vitellogermarium, the slender manubria and the caudally directed alulae. With our observations, that can be used for future cladistic analyses of the Proalidae, we are able to define the generic diagnosis of Bryceella more precisely and to give an adapted species key. IntroductionThe phylum Rotifera is an astonishingly diverse group of aquatic microinvertebrates, rarely exceeding 0.5 mm, that contains more than 2,000 known species worldwide (WAL- LACE et al., 2006;SEGERS, 2007). The representatives inhabit all kinds of water environments. The monogonont taxon Proalidae is a polyphyletic group (see WILTS et al., 2009a; DE SMET, in press.) of about 50 species that occur free-living, parasitic or epizoic in freshwater, saline water or moist terrestrial habitats. Within Proalidae, one of the smallest genera is Bryceella REMANE, 1929 currently containing only two species following DE SMET (1996) and the most recent rotifer checklist published by SEGERS (2007): Bryceella stylata (MILNE, 1886) and Bryceella tenella (BRYCE, 1897). The species occur in different aquatic and semiaquatic habitats like moors, the psammon of acid waters, mosses and leaf litter. Although new data on the morphology of Bryceella stylata have been published recently (WILTS et al., 2009b, WILTS et al., 2010, our knowledge of B. tenella remains insufficient. This particularly also * Corresponding author 472 E. F. WILTS et al.

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“…so far (see e.g. Kleinow et al (1990), Markevich (1989), Segers et al (1993)). Since we actually do not know whether the small differences in trophi morphology between these species are taxonomically relevant, they can not be used in the affiliation of the new species.…”

Section: Etymologymentioning

confidence: 98%

“…Rami broad, rounded externally, slightly asymmetrical : right somewhat larger ; inner margins with uniform zig-zag like reinforced ridge ( Fig. 17a : rr), composed of fused skleropili, ridge complementary to the subunci and unci teeth ; satellites (Markevich 1989 ; anterior processes after Segers et al 1993 ; central membranous structures after Kleinow et al 1990) prominent ( Fig. 12 : s), connected to rami by ligaments, and resting on a triangular (right) (Fig 17a : or crescent-shaped (left) ridge of the rami postero-ventrally ; openings of rami cavities large, typical for the genus.…”

Section: Descriptionmentioning

confidence: 99%

Some Rotifera from Ile Amsterdam (Terres Australes et Antarctiques Françaises), with description of Brachionus amsterdamensis sp. nov. (Monogononta : Brachionidae)

Smet¹

2001

Ann. Limnol. - Int. J. Lim.

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A gentle method for the preparation of hard parts (trophi) of the mastax of rotifers and scanning electron microscopy of the trophi ofBrachionus plicatilis (Rotifera)

Cited by 32 publications

References 5 publications

On the taxonomy of the Brachionidae: description of Plationus n. gen. (Rotifera, Monogononta)

On the taxonomy of the Brachionidae: description of Plationus n. gen. (Rotifera, Monogononta)

Description of Bryceella perpusilla n. sp. (Monogononta: Proalidae), a New Rotifer Species from Terrestrial Mosses, with Notes on the Ground Plan of Bryceella Remane, 1929

Some Rotifera from Ile Amsterdam (Terres Australes et Antarctiques Françaises), with description of Brachionus amsterdamensis sp. nov. (Monogononta : Brachionidae)

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