Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Coniacian
Table title:

Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > System/ Period </th><th colspan=1 rowspan=1 > Series/ Epoch </th><th colspan=1 rowspan=1 > Stage/ Age </th><th colspan=2 rowspan=1 > Age (Ma) </th></tr>
<tr> <td colspan=1 rowspan=1 > Paleogene </td><td colspan=1 rowspan=1 > Paleocene </td><td colspan=1 rowspan=1 > Danian </td><td colspan=2 rowspan=1 > younger </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=12 > Cretaceous </td><td class="highlighted"  colspan=1 rowspan=6 > Upper/ Late </td><td colspan=1 rowspan=1 > Maastrichtian </td><td colspan=1 rowspan=1 > 66.0 </td><td colspan=1 rowspan=1 > 72.1 </td></tr>
<tr> <td colspan=1 rowspan=1 > Campanian </td><td colspan=1 rowspan=1 > 72.1 </td><td colspan=1 rowspan=1 > 83.6 </td></tr>
<tr> <td colspan=1 rowspan=1 > Santonian </td><td colspan=1 rowspan=1 > 83.6 </td><td colspan=1 rowspan=1 > 86.3 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Coniacian </td><td class="highlighted"  colspan=1 rowspan=1 > 86.3 </td><td class="highlighted"  colspan=1 rowspan=1 > 89.8 </td></tr>
<tr> <td colspan=1 rowspan=1 > Turonian </td><td colspan=1 rowspan=1 > 89.8 </td><td colspan=1 rowspan=1 > 93.9 </td></tr>
<tr> <td colspan=1 rowspan=1 > Cenomanian </td><td colspan=1 rowspan=1 > 93.9 </td><td colspan=1 rowspan=1 > 100.5 </td></tr>
<tr> <td colspan=1 rowspan=6 > Lower/ Early </td><td colspan=1 rowspan=1 > Albian </td><td colspan=1 rowspan=1 > 100.5 </td><td colspan=1 rowspan=1 > ~113.0 </td></tr>
<tr> <td colspan=1 rowspan=1 > Aptian </td><td colspan=1 rowspan=1 > ~113.0 </td><td colspan=1 rowspan=1 > ~125.0 </td></tr>
<tr> <td colspan=1 rowspan=1 > Barremian </td><td colspan=1 rowspan=1 > ~125.0 </td><td colspan=1 rowspan=1 > ~129.4 </td></tr>
<tr> <td colspan=1 rowspan=1 > Hauterivian </td><td colspan=1 rowspan=1 > ~129.4 </td><td colspan=1 rowspan=1 > ~132.9 </td></tr>
<tr> <td colspan=1 rowspan=1 > Valanginian </td><td colspan=1 rowspan=1 > ~132.9 </td><td colspan=1 rowspan=1 > ~139.8 </td></tr>
<tr> <td colspan=1 rowspan=1 > Berriasian </td><td colspan=1 rowspan=1 > ~139.8 </td><td colspan=1 rowspan=1 > ~145.0 </td></tr>
<tr> <td colspan=1 rowspan=1 > Jurassic </td><td colspan=1 rowspan=1 > Upper/ Late </td><td colspan=1 rowspan=1 > Tithonian </td><td colspan=2 rowspan=1 > older </td></tr>
<tr> <td colspan=5 rowspan=1 > Subdivision of the Cretaceous system according to the ICS, as of 2017. </td></tr>
</table>
Question:
What are the characteristics of Coniacian?
Answer:
Coniacian is a subdivision of the Late Cretaceous epoch or Upper Cretaceous series and spans the time between 89.8 ± 1 Ma and 86.3 ± 0.7 Ma.