| Obesumbacterium sp. | RD012144 |
| Oblongichytrium sp. | RD010666, RD010668, RD010670, RD010671, RD010672, RD010675, RD010676, RD010677, RD010679, RD013299, RD013300, RD013301, RD013306, RD013307, RD013308, RD013309, RD013310, RD013311, RD013312, RD013313, RD013314, RD013514, RD013525, RD013534, RD013540, RD013541, RD013547, RD013548, RD013552, RD013553, RD013569, RD013570, RD013571, RD013573, RD013595, RD013598, RD013626, RD013649, RD013650, RD013660, RD013661, RD013668, RD013671, RD013677, RD013678, RD013680, RD013681, RD013682, RD013685, RD013690, RD013691, RD013697, RD013699, RD013712, RD013719, RD013728, RD013750, RD013755, RD013756, RD013758, RD013771, RD013784, RD013786, RD013788, RD013798, RD013801, RD013807, RD013809, RD013810, RD013811, RD013815, RD013818, RD013822, RD013825, RD013826, RD013827, RD013830, RD013835, RD013836, RD013837, RD013838, RD013839, RD013848, RD013855, RD013856, RD013869, RD013877, RD013884, RD013885, RD013892, RD013897, RD013904, RD013906, RD013910, RD013916, RD013917, RD013918, RD013919, RD013920, RD013921, RD013922, RD013923, RD013927, RD013929, RD013930, RD013932, RD013934, RD013935, RD013936, RD013937, RD013938, RD013939, RD013941, RD013942, RD013943, RD013950, RD013951, RD013962, RD013966, RD013968, RD013972, RD013974, RD013977, RD013979, RD013981, RD013982, RD013986, RD013994, RD013995, RD014003, RD014004, RD014011, RD014012, RD014015, RD014016, RD014017, RD014022, RD014032, RD014033, RD014041, RD014048, RD014049, RD014050, RD014052, RD014054, RD014056, RD014057, RD014059, RD014062, RD014066, RD014069 |
| Obolarina sp. | RD057081, RD057082, RD057091 |
| Occultifur sp. | RD050956, RD050958 |
| Oceanimonas sp. | RD002616, RD002668, RD002699 |
| Oceaniradius sp. | RD002840 |
| Oceanobacillus sp. | RD011769, RD011770, RD011771, RD011774, RD011783, RD011839, RD012121, RD012593 |
| Ochrocladosporium sp. | RD005740 |
| Ochroconis sp. | RD001162, RD002539, RD003327, RD005795, RD005806, RD005883, RD005902, RD009305, RD009536, RD009639, RD009704, RD009817, RD011549, RD012735, RD012795, RD012897, RD050415, RD051239, RD051299, RD051348, RD051349, RD051368, RD051374, RD051402, RD051419, RD051425, RD051427, RD051428, RD051438, RD051444, RD051445, RD051446, RD051521, RD051561, RD051630, RD051633, RD051637, RD051653, RD051739, RD051790, RD051794, RD051864, RD052049, RD052051, RD052126, RD052135, RD052152, RD052171, RD052178, RD052191, RD052196, RD052217, RD052248, RD052310, RD052325, RD052328, RD052443, RD052524, RD052602, RD052746, RD052762, RD052924, RD052927, RD052935, RD052936, RD052941, RD052944, RD052964, RD052997, RD053001, RD053003, RD053004, RD053024, RD053045, RD053067, RD053069, RD053117, RD053140, RD053143, RD053188, RD053205, RD053206, RD053217, RD053221, RD053225, RD053306, RD053311, RD053407, RD053411, RD053577, RD053650, RD053667, RD053876, RD053915, RD053922, RD053927, RD053928, RD054005, RD054019, RD054033, RD054428, RD054452, RD054483, RD054511, RD054574, RD054626, RD054693, RD054697, RD054704, RD054718, RD054722, RD055127, RD055405, RD055666, RD055845, RD055887, RD056160, RD056285, RD056292, RD056483, RD056572, RD056658, RD057277, RD057301, RD057461, RD057629, RD058176, RD058186, RD058565, RD058949, RD059095, RD059619, RD059707, RD059776, RD059779, RD060191, RD060263, RD060289, RD060544, RD060552, RD060561, RD060702, RD060741, RD060984, RD060985, RD060986, RD060991, RD060992 |
| Ochronectria sp. | RD051775 |
| Octadecabacter sp. | RD000141, RD000618, RD002580, RD002688, RD003154 |
| Odoribacter sp. | RD014535 |
| Oerskovia sp. | RD007129, RD008806, RD008814, RD008838, RD010695, RD010790, RD010993, RD010998, RD011141, RD011430, RD012608 |
| Ogataea sp. | RD015520, RD051045 |
| Oidiodendron sp. | RD001166, RD002336, RD003390, RD005973, RD005996, RD006045, RD006053, RD006063, RD009101, RD009106, RD009110, RD009117, RD009144, RD009378, RD009456, RD009502, RD009579, RD009779, RD012851, RD012853, RD012859, RD013101, RD051151, RD051155, RD051160, RD051163, RD051168, RD051209, RD051211, RD051212, RD051214, RD051215, RD051221, RD051261, RD051269, RD051270, RD051294, RD051296, RD051297, RD051525, RD051526, RD051527, RD051528, RD051530, RD051531, RD051562, RD051563, RD051577, RD051585, RD051663, RD051666, RD051733, RD052262, RD052332, RD052334, RD052336, RD052832, RD052855, RD052856, RD053342, RD054608, RD054823, RD056339, RD057179, RD057191, RD058042, RD058073, RD058079, RD059865, RD059866, RD060574 |
| Okibacterium sp. | RD011374, RD011378 |
| Oleibacter sp. | RD006137 |
| Oligoporus sp. | RD010532, RD010654 |
| Olleya sp. | RD000657, RD002564, RD002568, RD002643, RD003131 |
| Olpitrichum sp. | RD051347 |
| Olsenella sp. | RD014934, RD014945 |
| Omphalotus sp. | RD010659, RD010660 |
| Onychophora sp. | RD055871 |
| Ophiognomonia sp. | RD056858 |
| Ophiostoma sp. | RD000941, RD001944, RD059083 |
| Orbilia sp. | RD010535, RD010637, RD010650, RD051929, RD052148, RD052226, RD052263, RD052270, RD052783, RD052907, RD052938, RD053442, RD069266, RD069270, RD069277, RD069289, RD069312, RD069313, RD069328, RD069340, RD069347 |
| Ornithinimicrobium sp. | RD002015, RD003477, RD003588, RD003589, RD006369 |
| Ovatospora sp. | RD055724, RD055822, RD056223, RD056276, RD056502, RD056514, RD056843, RD057715, RD057718, RD058954, RD059202, RD059230, RD059276, RD059704, RD059805 |
| Ovicillium sp. | RD001131, RD001209, RD001218, RD003441, RD010113, RD011318, RD012744, RD053114, RD053869, RD056341, RD056438, RD058011, RD058016, RD058380, RD059769, RD061062 |
| Oxalophagus sp. | RD001738 |
