| Acanthodiacrodium tuberatum Appendix A + | 20:29:24, 4 December 2016 + |
| Acanthogonyaulax Sarjeant 1966b + | 23:00:20, 21 December 2016 + |
| Acanthogonyaulax acanthosphaera + | 23:00:21, 21 December 2016 + |
| Acanthogonyaulax paliuros + | 19:30:29, 4 December 2016 + |
| Acanthogonyaulax venusta + | 23:00:21, 21 December 2016 + |
| Acavate + | 17:11:30, 2 December 2016 + |
| Accessory archeopyle suture + | 17:12:01, 2 December 2016 + |
| Accessory pore + | 17:12:32, 2 December 2016 + |
| Accumulation body + | 17:13:03, 2 December 2016 + |
| Achilleodinium + | 18:09:49, 30 December 2016 + |
| Achilleodinium arboriforme + | 23:00:22, 21 December 2016 + |
| Achilleodinium bianii + | 23:00:23, 21 December 2016 + |
| Achilleodinium biformoides + | 18:09:50, 30 December 2016 + |
| Achilleodinium biformoides.jpg + | 03:42:25, 3 December 2016 + |
| Achilleodinium fibrapendiculum + | 23:00:23, 21 December 2016 + |
| Achilleodinium latispinosum + | 23:00:24, 21 December 2016 + |
| Achilleodinium palaeoeocenicum + | 23:00:24, 21 December 2016 + |
| Achilleodinium.jpg + | 03:43:00, 3 December 2016 + |
| Achomosphaera + | 23:00:25, 21 December 2016 + |
| Achomosphaera alcicornu + | 18:09:52, 30 December 2016 + |
| Achomosphaera alcicornu forma alcicornu + | 17:14:07, 2 December 2016 + |
| Achomosphaera alcicornu forma columnaeformis + | 23:00:26, 21 December 2016 + |
| Achomosphaera alcicornu subsp. alcicornu + | 17:14:07, 2 December 2016 + |
| Achomosphaera alcicornu subsp. columnaeformis + | 23:00:27, 21 December 2016 + |
| Achomosphaera alcicornu.jpg + | 03:42:01, 3 December 2016 + |