Vörös A. szerk.: Fragmenta Mineralogica Et Palaentologica 18. 1996. (Budapest, 1996)

SYSTEMATICAL PART Classis OSTRACODA Latreille, 1806 Ordo Myodocopida Sars, 1866 Subordo Cladocopa Sars, 1866 Familia Polycopidae Sars, 1866 Genus Polycope G. O. Sars, 1866 Polycope sp. (Pl. I: 1) Remarks: The specimens are generally smooth molts without distinct species character ("Polycope pelta" auct.). Dimensions: L = 0,37 - 0,56. Material: 72 specimens. Ordo Podocopida G. W. Müller, 1894 Subordo Metacopa Sylvester-Bradley, 1967 Superfamilia Healdiacea Harlton, 1933 Familia Healdidae Harlton, 1933 Genus Ledahia Griindel, 1964 Ledahia bispinosa (Griindel, 1964) (Pl. I: 2) 1964. Pseudohealdial bispinosa n. sp. - GRÜNDEL, pp. 472-473, PI. f. 13-15. 1975. Ogmoconchella bispinosa (Griindel, 1964) - MICHELSEN, p. 243, PI. 31., f. 455., Pl. 33., f. 472-475. 1980. Ogmoconchella bispinosa (Griindel, 1964) - SlVHED, pp. 54-55, Pl. IX., f. 87., Pl. X., f. 94, 97. 1981. Ogmoconchella bispinosa (Griindel, 1964) - HERRIG, pp. 564-565, PI. I., f. 3-5. 1993. Ledahia bispinosa (Griindel, 1964) - HARLOFF, pp. 122-124, Pl. 11., f. 7-8. 1994. Ledahia bispinosa (Griindel, 1964) - HARLOFF & JÄGER, 1994, p. 36., PI. 7., f. 7. Remarks: This material contains elongated forms without distinct break on dorsal outline. Dimensions: L = 0.55 - 0.58 mm, H = 0.27 - 0.35 mm, L/H = 1.66 - 2.11 Material: 6 specimens. Stratigraphical and geographical distribution: Sinemurian-Pliensbachian, Germany, England, France, Denmark, Sweden.