The Echo The Echo echo16196873west Year: most, Aspella species apparently live on a coarse rubble type of bottom, with its obviously different biological requirements. The generally dorsoventrally flattened shells of these forms are small, with broad varices, a siphonal canal that is closed, with long, tube-like anal canals that are persistent for several varices (Typhis, Figure 9) or a narrowly open canal with several buttress-like projections of each whorl touching the earlier whorl (Aspella, Figure 10). The shell is variously colored and sculptured but a thick, white, intricately sculp- t
The Echo The Echo echo16196873west Year: most, Aspella species apparently live on a coarse rubble type of bottom, with its obviously different biological requirements. The generally dorsoventrally flattened shells of these forms are small, with broad varices, a siphonal canal that is closed, with long, tube-like anal canals that are persistent for several varices (Typhis, Figure 9) or a narrowly open canal with several buttress-like projections of each whorl touching the earlier whorl (Aspella, Figure 10). The shell is variously colored and sculptured but a thick, white, intricately sculp- tured intritacalx covers the hard shell surface in most species.
Size: 966px × 2071px
Photo credit: © Bookworm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: archive, book, drawing, historical, history, illustration, image, page, picture, print, reference, vintage
