Table 2 in A Huge Diversity of Metopids (Ciliophora, Armophorea) in Soil from the Murray River Floodplain, Australia. II. Morphology and Morphogenesis of Lepidometopus platycephalus nov. gen., nov. spec.

Table 2. Comparison of ontogenetic features of Lepidometopus platycephalus nov. gen., nov. spec. with other armophoreans.
CharacteristicsLepidometopus platycephalusMetopus hasei Sondheim, 1929Metopus inversus (Jankowski, 1964)Nyctotherus ovalis Leidy, 1850Caenomorpha medusula Perty, 1852Binary fissionHomothetogenicHomothetogenicHomothetogenicHomothetogenicEnantiotropicPosterior body end of mid-dividersBroadly roundedFurrowedBroadly rounded and slightly projectingBroadly roundedBroadly rounded, caudal spine completely disappearsDisappearance of peroral domeIn mid-dividersIn early dividersIn mid-dividersNot applicableIn early dividersPosition of nuclear apparatusChangesChangesDoes not changeSlightly changesDoes not changeOrigin of opisthe’s adoral polykinetidsFrom three postoral and six dorsal kinetiesFrom three postoral and four dorsal kinetiesFrom five postoral and eight dorsal kinetiesFrom all right side kineties and 8–10 ventral kinetiesFrom the posterior end of numerous “false kineties” of the parental perizonal stripeReorganization of parental adoral polykinetidsYes, resorption of some rows in most polykinetidsYes but only proximal polykinetids disorderYes, proximal polykinetids disorderPossibly partially reorganizedNoOrigin of opisthe’s paroral membraneFrom perizonal stripe rows 1 and 2From perizonal stripe rows 1 and 2From perizonal stripe rows 1 and 2From right side somatic kinetiesFrom the posterior end of numerous “false kineties” of the parental perizonal stripeReorganization of parental paroral membraneYesYes but only proximal portionYesPossibly partially reorganizedYesOrigin of opisthe’s perizonal stripeFrom parental stripe rows 3–5 and two dorsolateral ciliary rowsFrom parental stripe rows 3–5 and two dorsolateral ciliary rowsFrom parental stripe rows 3–5 and two dorsolateral ciliary rowsNot applicableFrom the anterior end of the parental perizonal stripeReferencesPresent studyFoissner and Agatha (1999)Foissner and Agatha (1999)Santos et al. (1986)Martín-González et al. (1987)