Calamites approximataeformis Stur — Calamites approximatus L. et H. (non Bgt.). 145 
^Calamites approximataeformis Stur, Culmflora, II, 1877, p. 202, Taf. IV, 
Fig. 7, V, Fig. 4 — zu C. Suckowi Bgt. — W. J. Jongmans (2), p. 61, 
164, 173, Fig. 144. 
Calamites approximatus Arber, Fossil Plants, 1909, Taf. auf p. 53 — zu 
C. Waldenburgensis Kidston — W. J. Jongmans (2), p. 57. 
Calamites approximatus Arber, Qi art. Journ. Geol. Soc., Vol. LIX, Taf. I, Fig. 3 
— zu C. waldenburgensis Kidston — W. J. Jongmans (2), p. 57. 
Calamites approximatus Artis (non Schl.), Antedil. Phytol., 1825, Taf. IV — 
zu C. varians Sternb. — R. Kidston (3), p. 99. 
Calamites approximatus Artis, Antedil. Phytol., Taf. IV — zu C. Schützei 
Stur — W. J. Jongmans (2), p. 58, 59, 92. 
Calamites approximatus Bgt. (p. p., Histoire, 1828, p. 133, Taf. XXIV, Fig. 2 
bis 3, [?Fig. 4, 5)] — Karbon, Belgien, Hainaut; Synon.; Vork.; Bemer¬ 
kungen — R. Kidston (3), p. 100, 101. 
*Calamites approximatus Bgt. — Karbon, Großbritannien, Newthorpe Clay 
, Pit, No. 1, Nottingbamshire; Abb.; Literatur; Beschr.; — E. A. N. Arber (6), 
p. 141, 144, Taf. XIII, Fig. 3. 
Calamites approximatus Bgt., Histoire, p. p., p. 133, Taf. XV, Fig. 7, 8, XXIV, 
Fig. 1 — zu C. Schützei Stur — W. J. Jongmans (2), p. 58, 59, 92. 
Calamites approximatus Bgt., p. p., Histoire, p. 133, Taf. XXIV, Fig. 2—5 — 
zu C. waldenburgensis Kidston — W. J. Jongmans (2), p. 57. 
Calamites approximatus Bgt. (non Schl.), p. p., Histoire, 1828, p. 133, Taf. XV, 
Fig. 7, 8, XXIV, Fig. 1 — zu C. varians Sternb. — R. Kidston (3), p. 99. 
Calamites approximatus Feistmantel, Böhmen, p. p., Taf. VI, Fig. 2, VII, Fig. 2 
— Wahrscheinlich zu C. varians Sternb. — W. J. Jongmans (3), p. 59. 
Calamites approximatus Feistmantel, Böhmen, p. p., Taf. VII, Fig. 1 — zu 
C. Suckowi Bgt. — W. J. Jongmans (2), p. 59, 164. 
(?) Calamites approximatus Feistmantel (non Schloth.), Böhmen, Abt. I, 1874, 
p. 106, Taf. VI, Fig. 2, VII, Fig. 1, 2 — zu C. Suckowi Bgt. — K. Kid¬ 
ston (3), p. 114. 
Calamites approximatus Geinitz, Sachsen, p. p., Taf. XI, Fig. 2 — zu C. cruciatus 
septenarius Sterzei var. fasciatus Sterzei — W. J. Jongmans (2), p. 139, 
140, 142. 
Calamites approximatus Geinitz, Sachsen, p. p., Taf. XI, Fig. 3, XII, Fig. 2 — 
zu C. cruciatus Gutbieri Stur — W. J. Jongmans (2), p. 152, 153. 
Calamites approximatus Geinitz, p. p., Steink. Sachsen, p. 7, Taf. XI, Fig. 5, 
XII, Fig. 3 — zu C. waldenburgensis Kidston — W. J. Jongmans (2), 
p. 57. 
Calamites approximatus Geinitz, Sachsen, p. p., Taf. XII, Fig. 1 — zu C. cruciatus 
manebachensis Sterzei — W. J. Jongmans (2), p. 151. 
Calamites approximatus Geinitz (non Bgt.), p. p., Steink. Sachsen, 1855, p. 7, 
Taf. XI, Fig. 2, 3, XII, Fig. 2 — zu C. cruciatus Sternb. — R. Kids ton (3), 
p. 107. 
Calamites approximatus Kidston, Trans. Roy. Soc. Edinb., Vol. XXXVII, 1893, 
p 311, Taf. II, Fig. 5, 6; Kidston, Proc. Yorksh. Geol. and Polyt. Soc., Vol. XIV, 
Taf. XXXV, Fig. 2 — zu C. waldenburgensis Kidston — W. J. Jong¬ 
mans (2), p. 57. 
Calamites approximatus L. et H., p. p., Fossil Flora, I, 1833, Taf. LXXVII — 
zu C. Schützei Stur — W. J. Jongmans (2), p. 58, 59, 92. 
Calamites approximatus L. et H., p. p., Fossil Flora, III, 1837, Taf. CCXVI — 
zu C. cruciatus senarius Weiss — W. J. Jongmans (2), p. 59, 138, 139. 
Calamites approximatus L. et H. (non Bgt.), Fossil Flora, III, 1837, Taf. CCXVI 
— zu C. cruciatus Sternb. — R. Kidston (3), p. 107. 
Jongmans, Paläobotanische Arbeiten 1910 und 1911. 
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