Table 1. Classification and overall patterns of Aminicenantes relative abundance in various habitats and sub-habitats¹.

Dataset type	Total datasets	Datasets with Aminicenantes (%)	Average Aminicenantes abundance (%)	Maximum relative abundance
Total datasets	3,141	918 (29.22%)	0.20%2	10.20%
Total 16S rRNA sequences	1,820,857,401	47,315	0.0026%
Marine datasets	1,154	248 (21.50%)	0.28%	5.28%
Deep marine sediments	32	30	0.50%	2.89%
Coral associated microbiome	19	10	0.89%	4.67%
Pelagic	390	40	0.20%	2.46%
Hydrothermal vents	101	60	0.23%	5.28%
Coastal	612	107	0.20%	1.87%
Aquatic non-marine datasets	1,665	645 (38.74%)	0.15%	10.20%
Spring and ground water	25	10	2.80%	10.20%
Temperate freshwater	1569	587	0.11%	2.50%
Salt marshes	71	48	0.03%	0.67%
Soil datasets	276	14 (5.072%)	0.07%	0.80%
Agriculture	28	2	0.03%	0.06%
Grassland	140	10	0.00%	0.00%
Heavy metal/hydrocarbon contaminated	8	1	0.00%	0.01%
Arid and Semi-arid	46	0	0%	0%
Permafrost	54	1	0.01%	0.01%
Hydrocarbon-impacted datasets	14	10 (71.43%)	0.32%	0.95%
Herbivorous gut and other datasets3	32	1 (3.125%)	0.02%	0.02%

¹A detailed description of every dataset is provided as supplementary material (Table S1 in File S1).

²Average abundance values in datasets where Aminicenantes sequences were identified.

³26 Datasets were designated “other”; these datasets originated from dust, air and animal associated habitat. See Supplementary Table S1 in File S1 for details.