Description based on only two specimens. As Koste (1978:176; sub Squatinella mutica f. minor Wulfert) surmised, these ... [details]

This species has often been regarded as a new world species, e. g. by Koste (1978), Segers (2007), but has more ... [details]

Ecology and geographical distribution blurred by frequent confusions with T. capucina (Wierzejski & Zacharias), of ... [details]

This is Wulfert's (1966) Ascomorpha saltans var. indica (an unavailable name) made available nomenclaturally at ... [details]

The name A. saltans var. indica Wulfert, 1966 expressly denotes an infrasubspecific variety and is thus ... [details]

Originally proposed as infrasubspecific variant, made available nomenclaturally at subspecific rank by Sudzuki ... [details]

Described by Koste (1978) from personal communication with Reed, who is deemed to be directly responsible for the ... [details]

Described by Koste (1978) from personal communication with Reed. The name is attributed to Reed, who is deemed to ... [details]

Originally described by Tzschaschel (1974) in a master thesis, which can not be regarded as published for the ... [details]

Originally described by Tzschaschel (1974) in a master thesis, which can not be regarded as published for the ... [details]

Originally described by Tzschaschel (1974) in a master thesis, which can not be regarded as published for the ... [details]

Originally described by Tzschaschel (1974) in a master thesis, which can not be regarded as published for the ... [details]

Originally described by Tzschaschel (1974) in a master thesis, which can not be regarded as published for the ... [details]

Name originally proposed at infrasubspecific rank by Donner & Adeniji (1977). It is not available nomenclaturally ... [details]

The name Euchlanis myersi var. cristata Donner & Adeniji expressly denotes an infrasubspecific variety. It is thus ... [details]

Originally proposed as an infrasubspecific variant, made available nomenclaturally at subspecific rank by Koste ... [details]

Originally described by Tzschaschel (1974) in a master thesis, which can not be regarded as published for the ... [details]

Originally proposed as infrasubspecific variant, made available nomenclaturally at specific rank by Koste (1978:127). [details]

Polyarthra pumilio is a nomen nudum, listed by Wulfert (1941:169) without any additional information. It is ... [details]

Originally described by Tzschaschel (1974) in a master thesis, which can not be regarded as published for the ... [details]

Originally described by Tzschaschel (1974) in a master thesis, which can not be regarded as published for the ... [details]

Originally described by Tzschaschel (1974) in a master thesis, which can not be regarded as published for the ... [details]

• The subsequent spelling 'pectinifera' is incorrect. As a species-group name ending in -fer, the original ... [details]

Infrasubspecific epithet spelled both "thailandis" and "thailandensis" in original publication. The latter has been ... [details]

• Type species of genus Adactyla Barrois & Daday, 1894 non Zeller, 1841 (invalid synonym of genus Proalides ... [details]

Occasionally regarded as a synonym of Keratella cochlearis (Gosse) (e.g. Harring (1913:56), ?Ahlstrom (1943:420), ... [details]

Quite different views of the systematic position of this species were expressed in the past (Notholca foliacea ... [details]

Synonymization of this taxon with the brackish water Keratella cochlearis var. recurvispina (Jagerskiöld), as ... [details]

• A. navicula Rousselet after Green (1960); ?A. navicula Rousselet after Battish (1992). not Anuraeopsis ... [details]

Occasionally regarded as an infrasubspecific variety of A. coelata (e. g., Koste (1978:132)), or species inquirenda ... [details]

• ?Anuraeopsis coelata Beauchamp after Koste (1972), Koste (1978, pl.33, fig.1). not A. navicula Rousselet ... [details]

Asplanchna brightwellii var. ceylonica has generally been regarded as a synonym of A. brightwellii (e.g., Harring ... [details]

Occasionally regarded as a synonym of Asplanchnopus multiceps (Schrank) (e.g. by Koste (1978:446) and José de ... [details]

Regarded as a synonym of B. bidentatus f. jirovci Bartoš by Koste (1978:76). [details]

The insufficient description of Brachionus bursarius Barrois & Daday was simultaneously published in different ... [details]

• The species has long been regarded as an infrasubspecific variant of B. calyciflorus (Koste, 1978:89: "Da die ... [details]

Taxonomic status unclear. Koste (1978:96) suggested this could be a form of Brachionus diversicornis (Daday), based ... [details]

Occasionally included within B. plicatilis Müller at specific or infrasubspecific rank (e.g. Kutikova (1970:588), ... [details]

• This taxon was never formally described, it is a nomen nudum. It was listed by Koste & Shiel (1987:984) as ... [details]

Synonymy with B. quadridentatus Hermann, as suggested by Harring (1913) (as B. capsuliflorus Pallas) and subsequent ... [details]

Occasionally regarded as a synonym of B. budapestinensis Daday (e.g. Koste (1978:90), but is insufficiently ... [details]

Synonymy with Brachionus angularis Gosse, as suggested by Harring (1913:18) and subsequent authors, including Koste ... [details]

Considered an infrasubspecific variant of B. mirus Daday by some authors, e.g. Koste (1978:85). [details]

• ?Cephalodella rotunda ɶ bryophila after Donner (1970), according to Koste (1978). • The taxonomic identity ... [details]

Synonymy with C. pachydactyla tentatively ("?") suggested by Koste (1978). Requires verification. [details]

?Cephalodella gracilis (Ehrenberg) after Jersabek (1996); ?not Cephalodella rotunda ɶ bryophila after Donner ... [details]

The taxonomic identity of this "variety" relative to the nominal taxon requires verification (cf. Koste, 1978, ... [details]

The taxonomic status of this species relative to C. heptabrachiata (Schoch) requires clarification, it could be an ... [details]

Taxonomic status relative to C. heptabrachiata (Schoch) requires clarification, it may be an infraspecific form of ... [details]

Occasionally regarded as a synonym of Cephalodella forficata (Ehrenberg) (e.g. Koste (1978)), but given its ... [details]

Koste (1978): "Nach der Abb. anscheinend eine Euchlanis-Art." [details]

Occasionally regarded as a synonym of Metadiaschiza (=Cephalodella) trigona (Rousselet), e.g. by Koste (1978:338) ... [details]

Insufficiently described Encentrum. Occasionally regarded as a synonym of Encentrum marinum (Dujardin) (e.g. Koste ... [details]

not Encentrum grande (Western) after Voigt (1957 partim), de Beauchamp (1965), Koste (1978 partim) [=Encentrum ... [details]

Encentrum grande (Western) after Voigt (1957 partim), de Beauchamp (1965), Koste (1978 partim). [details]

Described from a single specimen. Koste (1978:506) surmised it could be conspecific with E. psammophilum Althaus, ... [details]

Donner (1970:226) raised doubt about the specific status of E. minax, and urged it should rather be considered a ... [details]

Donner (1970:227) raised doubt about the specific status of E. rapax, and urged it should rather be considered a ... [details]

Most probably this is the male of Epiphanes senta (Müller) (Koste, 1978:59), but in absence of any clear evidence ... [details]

Euchlanis dilatata var. crassa Myers is currently regarded as a synonym of E. dilatata lucksiana (Hauer), see e.g., ... [details]

• Euchlanis lyra Hudson after Myers (1930); ? Euchlanis sp. II after Koch-Althaus (1962), cf. Kutikova (1970, ... [details]

• not Euchlanis oropha Gosse after Lucks (1912), Olofsson (1918) [identities unclear]. • The taxonomic status ... [details]

The taxonomic status of Euchlanis parva Rousselet relative to E. oropha Gosse has recently been under debate. While ... [details]

Regarded as a subspecies of Filinia minuta (Smirnov) by Koste (1978:577), as Filinia minuta nipponensis Sudzuki, ... [details]

This taxon has previously been treated as a subspecies of Floscularia ringens (Linnæus) (e.g. Koste (1978)). By ... [details]

Has occasionally been regarded as a synonym of Cephalodella forficata (Ehrenberg) (e.g., Harring (1913:32), Koste ... [details]

Occasionally regarded as a synonym of Diaschiza megalocephala (Glascott) (e.g. Koste (1978)), but is insufficiently ... [details]

Has occasionally been regarded as a synonym of Cephalodella globata (Gosse) (e.g., Harring (1913:34), Koste ... [details]

• Keratella quadrata (Müller) after George & Fernando (1969). • The taxonomic status of Keratella canadensis ... [details]

The name robusta is generally used to designate an infrasubspecific rank (forma, varietas) within the polymorphic ... [details]

The taxonomic status of Keratella quadrata jakutica (Rylov) relative to K. canadensis Bērziņš requires further ... [details]

• Keratella stipitata (Ehrenberg) after Carlin (1945, partim). • Keratella tecta (Gosse) has mostly been ... [details]

• As Hauer (1953) points out, Keratella valga f. brehmi (Klausener) after Ahlstrom (1943) strongly resembles K. ... [details]

• Koste (1978) suggested synonymy of L. racemovata Thorpe and L. elliptica Shephard, and attributed priority to ... [details]

The taxonomic relationship between L. racemovata Thorpe and L. elliptica Shephard merits further scrutiny. Koste ... [details]

• Octotrocha speciosa Thorpe after Koste (1974), (1978), (1989), Koste & Böttger (1989), Sarma & Elias-Gutierrez ... [details]

Monostyla sp. (rugosa?) after Hauer (1938); Lecane rugosa (Harring) after Kutikova (1959), Koste (1972), Koste ... [details]

Lecane perplexa (Ahlstrom) after Pejler (1962); Lecane tethis (Harring & Myers) after De Manuel (2000); not Lecane ... [details]

• Considered a variety of Lecane kluchor Tarnogradsky by Koste (1978:238). • Donner's (1980) Lecane cf. ... [details]

• Monostyla (Lecane) cornuta (Müller) after Thomasson (1965); not Monostyla unguitata Fadeev after Ahlstrom ... [details]

• ?not Lecane wulferti Hauer after Koste (1972) [=L. closterocerca (Schmarda)?]. • The species has previously ... [details]

Lepadella acuminata (Ehrenberg) n.f. after Koste (1972); ?L. ovalis (Müller) after Koste (1978 partim:pl.60, ... [details]

Treated as a subspecies of L. patella (Müller) by Rudescu (1960) and as a synoynm of the same species by Koste ... [details]

Regarded as possibly a synonym of Lepadella biloba Hauer (as L. patella f. biloba) by Koste (1978:185), but seems ... [details]

• not Lepadella imbricata Harring after López (1993) [identity unclear]. • Lepadella imbricata has ... [details]

• ? Lepadella quinquecostata (Lucks) after Koste (1972), Koste (1978 partim: fig.2e), Koste et al. (1991). • ... [details]

• As De Smet (2015) points out, "the supposed differences between Lepadella pontica and L. psammophila result ... [details]

not Lepadella quadricarinata f. procera Klement after Koste (1978 partim:pl.63, fig.7) [=L. elongata Koste]. [details]

• not Lepadella quinquecostata (Lucks) after Koste (1972), Koste (1978 partim: fig.2e), Koste et al. (1991) ... [details]

According to Koste (1978:290) L. brotzkayae may be a L. tecusa. De Smet (2005:1471) however summarizes as follows: ... [details]

• Lindia truncata (Jennings) after Koste (1970), Koste (1978 partim), Sarma & Elías-Gutiérrez (1998). • ... [details]

• not Lindia truncata (Jennings) after Koste (1970), Koste (1978 partim), Sarma & Elías-Gutiérrez (1998) ... [details]

Considered a forma of Mikrocodides chlaena (Gosse) by Koste (1978:61), that is "wahrscheinlich identisch" (probably ... [details]

• ? Mytilina crassipes (Lucks) after Koste (1968); ? Mytilina lobata Pourriot after Sharma et al. (2016), Sharma ... [details]

• not Mytilina mucronata var. spinigera (Ehrenberg) after Koste (1978 partim: fig.7), López (1993)[identity ... [details]

The taxonomic relationship of Mytilina unguipes (Lucks) relative to M. bisulcata (Lucks) requires further scrutiny. ... [details]

The taxonomic status of Notholca grandis Voronkov relative to Notholca cinetura Skorikov requires clarification. ... [details]

The taxonomic status of Notholca jugosa Gosse relative to N. squamula (Müller) and N. acuminata (Ehrenberg) ... [details]

The taxonomic relationship between Notholca lapponica Ruttner-Kolisko, N. labis Gosse, and N. squamula (Müller) ... [details]

Occasionally regarded as an infrasubspecific variety of Notommata falcinella Harring & Myers (e.g. Koste ... [details]