Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Fibularia cribellum (petaloid area) Description Petaloid area: There are only two pore-pairs in a column, some pores remain single.Scale 2 mm. Author Schultz, Heinke JPG file - 28.34 kB - 591 x 727 pixels added on 2009-02-23208 viewsFrom reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d... © 2009 Schultz, Heinke Click here to return to the thumbnails overview