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Level 1: Collecting | Level 2: Identifying | Level 3: Customize | Dichotomous Key

ANNOTATED TAXONOMIC KEY to the FAMILIES of
TERRESTRIAL and FRESHWATER TARDIGRADES

The following dichotomous Key has been developed from the works of Ramazzotti & Maucci; 1983; Schuster et al., 1980; Nelson, 1991; and Kinchin, 1994. It is intended for use to identify the common tardigrades found during the International Tardigrade Survey. It does not dwell on the rare and infrequent groups.

TO USE THIS KEY
To use this Key it is necessary to make a choice between two characteristics, generally the presence or absence of a feature or structure but some times a magnitude of size must be judged. To this end we have provided drawings that concentrate on the feature or structure in question to aid in your decision making.

When you make a decision to the question in the first line of the couplet, follow the path defined at the bottom of that side of the couplet. Sometime this will be a Go To # that will be another decision couplet and sometimes it will be a Family Name. In either case, click on the # or name to see the detail of the next step or detailed drawings, pictures, and descriptions of the selected Family.

In the drawings used to annotate the Key we may use terms not familiar to you. If this is the case, simply click on the term and a definition and or additional drawings will pop up to help you understand it.

  1999, KanCRN Collaborative Research Network