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Stigmaria annularis UNGER, 1856

Spécimen fossile

374

Taxonomie

Lycophyta
Stigmaria annularis UNGER, 1856

Origine

Thuringe
Thuringia

Historique de détermination

Galtier J. & Meyer-Bertaud B. 1989 FIGURÉ
, . - Studies of the early carboniferous pteridosperm Calamopitys a redescription of the type material from saalfeld (GDR).. Palaeontographica: 1-36, fasc. 1-3, sér. B, t. 213
 
Citation : pl. 3 fig. 4 text-fig. 1_F
, . - Studies of the early carboniferous pteridosperm Calamopitys a redescription of the type material from saalfeld (GDR).. Palaeontographica: 1-36, fasc. 1-3, sér. B, t. 213
 
Citation : pl. 5 fig. 5