L. Forró szerk.: Miscellanea Zoologica Hungarica 9. 1994 (Budapest, 1994)

Sey, O.; Prasitirat, P.: Amphistomes (Trematoda, Amphistomida) of cattle and buffalo in Thailand

Paramphistomum epiclitum Fischoeder, 1904 (Figs 4, 9, 16) Diagnosis: Body length 5.8-8.2, body width 0.5-1.9 in dorsoventral direction. Acetabulum 0.7-1.5 in dorsoventral direction, Paramphistomum type (Fig. 4), number of muscle units: d.e.c. 1, 9-23, d.e.c.2, 20-38, d.i.c. 24-51, v.e.c. 8-18, v.i.c. 25-61, m.e.c. 16-22. Pharynx 0.5-9.2 long, Calicophoron type (Fig. 9), without muscular thickening. Anterior testis 0.3-0.8 long and 0.5-1.2 in dorsoventral direction; posterior testis 0.6-1.2 long and 1.1-1.4 in dorsoventral direction, pars musculosa short, weakly developed. Ovary 0.2-0.3 by 0.2-0.3. Terminal genitalium Epiclitum type (Fig. 16). Genital pore postbifurcal. Eggs 0.13-0.15 by 0.06-0.08 Host: Bos primigenius f. taurus. Habitat: rumen. Paramphistomum ichikawai Fukui, 1922 (Figs 5, 9, 17) Diagnosis: Body length 4.1-8.7, body width 1.3-2.7 in dorsoventral direction. Diameter of acetabulum 0.7-1.3 in dorsoventral direction, Pisum type (Fig. 5), number of muscle units: d.e.c.l, 18-20, d.e.c.2, 5-14, d.i.c. 30-58, v.e.c. 14-26, v.i.c. 30-58, m.e.c. 10-16. Pharynx 0.4-0.8, Calicophoron type (Fig. 9), oesophagus 0.3-1.7 long without muscular thickening. Anterior testis 0.3-0.9 long and 0.6-1.5 in dorsoventral direction; posterior testis 0.3-1.7 long and 1.1-1.8 in dorsoventral direction. Pars musculosa short and weakly developed. Ovary 0. 2-0.4 by 0.4-0.5. Terminal genitalium Ichikawai type (Fig. 17). Genital pore postbifurcal. Eggs 0.1-1.2 by 0.05-0.07. Host: Bos primigenius f. taurus. Habitat: rumen. Key to the species of Paramphistomum 1. Terminal genitalium Epiclitum type P. epiclitum Terminal genitalium Ichikawai type P. ichikawai Explanatum explanatum (Creplin, 1847) (Figs 6, 11) Diagnosis: Body length 6.1-12.1, body width 3.1-6.2 in dorsoventral direction. Acetabulum enormous, 3.1-4.2 in diameter, Explanatum type (Fig. 6), number of muscle units: d.e.c.l, 8-13, d.e.c.2, 16-31, d.i.c. 36-44, v.e.c. 9-12, v.i.c. 24-43, m.e.c. 3-7. Pharynx 0.6-0.8 long, Explanatum type (Fig. 11), oesophagus 0.6-0.9 long. Anterior testis 1.0-1.5 long and 1.2-2.4 in dorsoventral direction. Ovary 0.3-0.6 by 0.4-0.5. Pars musculosa short and weakly developed. Terminal genitalium Explanatum type. Genital pore bifurcal. Eggs 0.11-0.12 by 0.07-0.08. Host: Bubalus arnee f. bubalis. Habitat: bile ducts. Calicophoron calicophorum (Fischoeder, 1901) (Figs 7, 9, 18) Diagnosis: Body length 7.5-14.8, body width 3.1-3.9. Acetabulum 1.1-3.2, Calicophoron type (Fig. 7), number of muscle units: d.e.c. 9-12, d.i.c. 32-39, v.e.c. and v.i.c. 16-21, m.e.c. 7-13. Pharynx 0.5-1.9, Calicophoron type (Fig. 9), oesophagus 0.5-1.3, without muscular thickening. Anterior testis 0.9-4.1 long and 1.2-4.3 in dorsoventral direction, posterior testis 1.0-4.1 long and 1.3-4.2 in dorsoventral direction. Pars musculosa well developed, strongly convoluted. Ovary 0.4-1.3 by 0.6-1.4. Terminal genitalium Calicophoron type (Fig.l 8). Genital pore postbifurcal. Eggs 0.11-0.15 by 0.06-0.09. Hosts: Bos primigenius f. taurus, Bubalus arnee f. bubalis. Habitat: rumen.