<I>Gymnometriocnemus</I> (IMAGE) Pensoft Publishers Caption This image shows minute male genitalia with characteristic differences between two species in Gymnometriocnemus. Scale bar = 0.05 mm Credit Elisabeth Stur, Torbjørn Ekrem Usage Restrictions CC-BY 4.0 License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.