perekond
Streptichnus Jensen et Runnegar, 2005
Taksoni kirjeldused
Jensen & Runnegar, 2005
Diagnosis. Complex trace fossil composed of clusters of more or less horizontal unidirectionally curved elements that radiate from a narrow central area. Individual radial elements are broadly cylindrical but typically consist of superimposed curved to sickleshaped segments, which closely follow the axis of the radial elements.
Klassifikatsioon