Rotasaccus praedentifer
Sugerowana cytacja: Gryz, P. 2020. Rotasaccus praedentifer Boczarowski 2001. Ikonoteka (http://ikonoteka.paleo.pan.pl/xwiki/bin/viewrev/Species/Rotasaccus+praedentifer)
 Holotype GIUS 4−708 Ska./741/1 from Early Givetian, set XXV of Skały, wheel from body wall. Diagnoza Circular wheels with broad, flat stellate hub. In the marginal zone there are nine oval or, more commonly, triangular pores. Porównanie This species differs from Rotasaccus dentifer in very narrow spokes and R. haudei in strongly elongated marginal pores. Autekologia Występowanie geograficzne Only known from the type locality. Zasięg czasowy Early Givetian (early Polygnathus varcus Zone). Materiały muzealne Holotype: GIUS 4−708 Ska./741/1 and 15 specimens. Literatura Boczarowski, A. 2001. Isolated sclerites of Devonian non-pelmatozoan echinoderms. Palaeontologia Polonica 59, 3–220. |
|