Acc to Fr Radecki's book here is a list of the 36 anti-popes he ID's
Hippolytus; 217-236
Novatian; 251-258
Felix 2; 353-365
Ursinus; 366-367
Eulalius; 418-419
Laurentius; 498-505
Disuscuus; 530
Severinus; 640
Theodore; 687
Paschal; 687-692
Stephen 2; 752
Caonstantine 2;767-768
Philip; 768
John; 844(interesting configuration)
Anastasius; 855
Christopher; 903-904
Boniface 7; 974
John 16; 997-998
Gregory; 1012
Benedict 10; 1058-59
Honorius 2; 1061-72
Clement 3;1084-1100
Theodoric; 1100-02
Albert; 1102
Sylvester 4; 1105-1111
Gregory 8; 1118-21
Celestine 2; 1124
Anacletus 2(Pierleone); 1130-38
Victor 4; 1138
Victor 4; 1159-64
Paschal 3; 1164-68
Calixtus 3; 1168-79
Innocent 3; 1179-80
Nicholas 5;1328-30
Boniface 8; 1294-1303( not listed by Fr Radecki)
Scroll down for image of throne of Boniface--
http://www.cathinfo.com/bb/index.php?a=topic&t=4268&min=0&num=15 Clement 8; 1424-1429
Benedict 14; 1424
Felix 5; 1439-49
Also not listed by Fr Radecki=====
Benedict 15;1914-21
John 23; 1958-63
(Cletus may not agree with the last 2)
Paul 6
JP 1
JP 2
Benedict 16
The Popes of the GWS have been omitted as it appears they are not technically anti-popes because there was no heresy or homos involved.