CGDP - How to Help

Genetic work is most efficient when tissue samples are recently collected and well preserved. Persons from all over the globe are invited to contribute tissue samples to build the genetic database. 100% ethanol as a preservative has yielded the best DNA for sequencing work. Other preservatives are possible. Please contact us for more specific information, or if you want us to send you materials (containers, tubes, preservative) for collecting. We'd be happy to send them to you. Here is a photo of some samples that have been etiher sent to us, or collected in the field.

 

 
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updated
1 Oct 2005

FLMNH (c) 2005


 
Here's how you can contribute:

We prefer to receive the whole animal with the shell included for the purpose of looking at how conchological features are correlated with the genetic relationships. Such individuals can be preserved whole in ethanol (non-methylated). However, for larger and rare taxa, "foot clips" can be just as useful. A photograph of the shell would be useful and act as a voucher for the specimen.

Animals can be sampled non-destructively by quickly slicing off a piece of the foot with a razor blade when the animal is extended. Standing the animal on its rear will usually draw the foot out as it grasps for some leverage. We've had most success at night when the animals are more active. The animal can then be returned to its habitat.