Difference between revisions of "Shell composition"
| Line 12: | Line 12: | ||
: - [[Porcellaneous foraminifera|porcellaneous]] | : - [[Porcellaneous foraminifera|porcellaneous]] | ||
: - [[Hyaline foraminifera|hyaline]] (glassy) | : - [[Hyaline foraminifera|hyaline]] (glassy) | ||
| + | |||
- secreted ???silica (very uncertain) | - secreted ???silica (very uncertain) | ||
