| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| ARAM2 | ARAMIDES-2[1281]; | TR.DR | S | MEX |
| ARAM3 | ARAMIDES-3[1281]; | TR.DR | S | MEX |
| ARAM4 | ARAMIDES-4[1281]; | TR.DR | S | MEX |
| ARAM5 | ARAMIDES-5[1281]; | TR.DR | S | MEX |
| ARAM6 | ARAMIDES-6[1281]; | TR.DR | S | MEX |
| ARAM7 | ARAMIDES-7[1281]; | TR.DR | S | MEX |
| ARAM8 | ARAMIDES-8[1281]; | TR.DR | S | MEX |
| ARAM9 | ARAMIDES-9[1281]; | TR.DR | S | MEX |
| ARAN | ARANA[900][1281]; | TR.AE | W | |
| ARA90 | ARANDAS-90[1281]; | TR.AE | S | MEX |
| AOS,1 | ARAOS[115][1281][3692]; | TR.DR | S | MEX |
| ARPH | ARAPAHOE[1281]; | TR.AE | USA | |
| AOE | ARAPAHOE[3733] | TR.AE | W | USA |
| ARAV | ARAVISCO[2396] | S | MEX | |
| AAW | ARAWA[900][1281]; | TR.AE | I | NZL |
| Ac | ARCADIAN[1112] | |||
| AC | ARCADIAN[900][1112][1281]; | TR.AE | W | USA |
| ARCH | ARCHER[3733] | TR.AE | W | USA |
| ACH,1 | ARCHER,AUS[1281]; | TR.AE | AUS | |
| ACHR | ARCHER,USA[1281]; | TR.AE | USA |