Generic Names of Fossil Plants, 1966-1973

24 INDEX OF GENERIC NAMES OF FOSSIL PLANTS, 1966-1973
stroma to 1 i te, Trichostromaceae;
Middle Cambrian; left bank of the
Angara, Chadobets village, Krasnoyarskiy
Kray, U.S.S.R.
PRAECHROOCOCCUS Vologdin, 1962.
Praeckroococcus ca tervatis Vologdin,
1962, pt. 1, p. 162-165, fig. 5; pl.
2, figs. 1-3; stromatolite, Chroococcaceae;
lower Sinian; right
bank of the Angara river, above
the mouth of the Ivan river, southeastern
Siberia, U.S.S.R.
PRESIGILLARIA Novik, 1968.
Presigillaria jongmansii Novik, 1968.
p. 103-105, pl. 13, figs. 1, 2; trunk,
Sigillariaceae; Lower Carboniferous;
Donets basin, U.S.S.R.
PROAULOPORA Vologdin, 1962.
Proaulopora rarissima Vologdin,
1962, pt. 2, p. 546-547, pl. 7, figs.
1-4; algae, Vologdienellea; Middle
Cambrian; Kenya river, left tributary
of the Abakan, environs of
Torgashino village near Krasnoyarsk,
U.S.S.R.
PROCHAMAESIPHON Elias, (1965)
1966.
Prockamaesipkon cumingsi Elias,
(1965) 1966, p. 6-7, pl. 1, fig. 7;
algae, Myxophyceae ( Cyanophyta)
; Ordovician; location not
given.
PROTEOKALON Scheckler and Banks,
1971.
Proteokalon petryi Scheckler and
Banks, 1971, p. 874-879, figs. 1-
30; progymnosperm; lower Upper
Devonian; Greene County, New
York, U.S.A.
PROTOCIRCOPOROXYLON Vogellehner,
1967.
Protocircoporoxylon capense (Walton,
1925) Vogellehner, 1967, p.
40-41, gymnospermous wood, Protopinaceae;
Triassic; south and
southwest Africa.
PROTOEPIPHYTON Vologdin, 1962.
Protoepipkyton curtofiligerum Vologdin,
1962, pt. 1, p. 248-250, fig. 50;
pl. 48, figs. 1, 2; stromatolite, Telastromataceae;
Lower Cambrian;
western border of the Siberian
platform, Turukhansk region,
U.S.S.R.
PROTOGINKGOXYLON Khudayberdyev,
1971.
Protoginkgoxylon dockumense (Torrey,
1923) Khudayberdyev, in
Sikstel' and others, 1971, p. 102;
wood, Coniferales ; Triassic; North
America and Central Asia.
PROTOLYCOPODITES Weyland and
Berer.dt, 196[).
Protolycopodites devonicus Weyland
and Berendt, 1968, p. 175-177, fig.
2a-b; pl. 29, figs. 18-25; leaf with
sporangia, Lycopsida, Drepanophyceae;
Middle Devonian; Wuppertal-Elberfeld,
West Germany.
PROTOPOLYPOROXYLON Vogellehner,
1968.
Protopolyporoxylon jurassicum (Eckhold,
1922) Vogellehner, 1968, p.
139-140; gymnospermous wood,
Protopinaceae; Jurassic; Czenstochau,
Poland.
PROTOSPIRA Vologdin and Strygin,
1969.
Protospira strygini Vologdin and
Strygin, 1969, p. 447-448, fig. 2a,
b; algae, Protospiraceae; Precambrian;
Krivoy Rog, Ukranian
SSR.
PROTOSEQUOIA Miki, 1969.
Protosequoia primarium
Miki, 1969, p. 731, figs.
3A; shoots and cones;
aceae; Tertiary; central
Japan.
(Miki)
1A, 2A,
Taxodi­
Honshu,
PROTOTAXODIOXYLON Vogellehner,
1968.
Prototaxodioxylon ckoubertii (Attims,
1965) Vogellehner, 1968, p.
132-133; gymnospermous wood,
Protopinaceae; Jurassic and possibly
Cretaceous; Morocco, northern
Africa.
PROTOTRAPA Vasil'yev, 1967.
Prototrapa douglassi Vasil'yev, 1967,
p. 110-111, pl. 8, figs. 3-5; fruit,
Trapaceae; Lower Cretaceous;
Australia.
PSEUDAETHESOLITHON Elliott,
1970.
Pseudaetkesolitkon iranicus Elliott,
1970, p. 31-35, figs. 1, 2; pis. 1-4;
algae; Miocene; Tang-i-Dashtak,
southwestern Iran.
PSEUDOACTINOPORELLA Conrad,
1970.
Pseudoactinoporella fragilis Conrad,
1970, p. 66-68, fig. 4; pl. 1, figs.
1-4; pl. 2, figs. 1-4; pl. 8, fig. 4;
algae, Dasycladaceae; Lower Cretaceous;
area surrounding Geneva,
Switzerland.
PSEUDOANTHOS Korde, 1973.
Pseudoantkos cambricum Korde,
1973, p. 116, fig. 3; pl. 4, fig. 1;
algae, Pseudoanthaceae; Lower
Cambrian; Kyzas river, western
Sayan and Batenev ridge, U.S.S.R.
PSEU DOARA UCARITES Vladimirovich,
1967.
Pseudoaraucarites gorskii Vladimirovich
in Vladimirovich and others,
1967, p. 29, fig. 12; coniferous cone
scale with attached seed; Lower
Triassic ; Pechorska depression,
central Siberia, U.S.S.R.