GLERL/Sea Grant" Great Lakes Water Life Photo Gallery - Zooplankton

Attached (Families Collothecidae, Conochilidae, Flosculariidae)

Collotheca	Cupelopagis		Stephanoceros	Beauchampia

Conochiloides	Conochilus			Floscularia

Lacinularia	Ptygura		Limnias	Sinantherina
Easily recognized by appendages (12, 6, 2, respectively)

Polyarthra	Hexarthra	Filinia
Rigid lorica, often with spines, no toes or not spinelike (Family Brachionidae)

Kellicottia	Brachionus	Keratella	Notholca	Anuraeopsis
Rigid lorica, foot with long toes (Family Brachionidae, Lecanidae, Notommatidae)

Dipleuchlanis	Euchlanis		Mytilina	Trichotria

Scaridium	Platyias		Lecane	Manfredium

Cephalodella (some)	Squatinella		Monostyla	Trichocerca
Rigid lorica, protruding foot with short toes (Family Synchaetidae, Brachionidae, Testudinellidae)

Ploesoma	Colurella		Lepadella	Lophocharis
			(foot with a tuft of cilia rather than toes)
Macrochaetus	Wolga		Testudinella
Flexible lorica, foot, usually with toes (Families Dicranophoridae, Notommatidae, Synchaetidae, Brachionidae, Tylotrochidae, Lindidae, Proalidae)

Aspelta	Dicranophorus		Cephalodella	Encentrum

Albertia	Wierzejkiella		Monommata	Pleurotricha

Itura	Taphrocampa		Notommata	Synchaeta

Microcodides	Tylotrocha		Proales	Lindia
No lorica, telescopic (Order Bdelloida)

Philodina	Rotaria		Dissotrocha	Macrotrachela
Sac-like rotifers
	(toes present but difficult to see)		(toes present but difficult to see)
Asplanchna	Asplanchnopus		Epiphanes	Ascomorpha
(note foot to left)	(lorica difficult to see)			(rudimentary toes)
Gastropus	Pompholyx		Trochosphaera	Ascomorphella

Great Lakes Water Life Photo Gallery Zooplankton Rotifers

Attached (Families Collothecidae, Conochilidae, Flosculariidae)

Easily recognized by appendages (12, 6, 2, respectively)

Rigid lorica, often with spines, no toes or not spinelike (Family Brachionidae)

Rigid lorica, foot with long toes (Family Brachionidae, Lecanidae, Notommatidae)

Rigid lorica, protruding foot with short toes (Family Synchaetidae, Brachionidae, Testudinellidae)

Flexible lorica, foot, usually with toes (Families Dicranophoridae, Notommatidae, Synchaetidae, Brachionidae, Tylotrochidae, Lindidae, Proalidae)

No lorica, telescopic (Order Bdelloida)

Sac-like rotifers

Great Lakes Water Life Photo Gallery
Zooplankton
Rotifers

Rigid lorica, often with spines, no toes or not spinelike
(Family Brachionidae)

Rigid lorica, foot with long toes
(Family Brachionidae, Lecanidae, Notommatidae)

Rigid lorica, protruding foot with short toes
(Family Synchaetidae, Brachionidae, Testudinellidae)

Flexible lorica, foot, usually with toes
(Families Dicranophoridae, Notommatidae, Synchaetidae, Brachionidae, Tylotrochidae, Lindidae, Proalidae)

No lorica, telescopic
(Order Bdelloida)