Collecting site

"El Tigre" lake, Paraná River, near the city of Santa Fé, Argentina
lies within an island in the middle of the flood plain of the Paraná River. known as an "obstruction pond". Noreña-Janssen 1995 {19011}
latitude: -31.683332     31 41 S
longitude: -60.700001     60 42 W

[Precision of location: listed in reference]
[Site Named Here exact location from reference]

Collected here:

Catenula lemnae Duges, 1832	Feb 1989-Jan 1990			many individuals reproducing asexually (chains of zooids).
Weldonia paraguayensis Martin, 1908	Feb-Mar 1989			many individuals.
Stenostomum leucops (Duges, 1828)	Feb 1989			many individuals.
Stenostomum uronephrium Nuttycombe, 1931	Feb, Jun, Aug, Nov 1989			five individuals.
Microstomum lineare (Müller, 1773)	Feb 1989-Jan 1990			many immature individuals.
Dalyellia obscura Norena-Janssen, 1995	May, Oct 1989			five specimens.
Gieysztoria santafeensis Norena-Janssen, 1995	Feb 1989-Jan 1990			many specimens.
Gieysztoria quadrata Norena-Janssen, 1995	Feb 1989			many specimens.
Gieysztoria coronae Norena-Janssen, 1995	Aug 1989			three specimens.
Gieysztoria tigrensis Norena-Janssen, 1995	Nov 1989			many specimens.
Gieysztoria pseudodiadema Norena-Janssen, 1995	Feb 1989			one specimen.
Gieysztoria variata Norena-Janssen, 1995	Sep 1989			many specimens.
Rhynchomesostoma inaliensis Norena-Janssen, 1995	Aug-Oct 1989			one specimen.
Mesostoma ehrenbergii (Focke, 1836)	Mar-Oct 1989			several specimens.
Mesostoma productum (Schmidt, 1848)	Aug-Oct 1989			four specimens.
Bothromesostoma evelinae Marcus, 1946	Jun 1989			nine specimens.
Gyratrix hermaphroditus Ehrenberg, 1831	Jul 1988			many specimens.
Gyratrix hermaphroditus Ehrenberg, 1831	Oct, Dec 1989			many specimens.