Mihai's Paleobotany Chronicles

Annularia stellata (SCHLOTHEIM) WOOD 1861

1957 Annularia stellata MATEESCU, p. 14, Pl. 2, Fig. 1.
1963 Annularia stellata SEMAKA, p. 169.
1970 Annularia stellata MAXIM and PETRESCU, p.284-286, Text-fig, 2.
1973 Annularia stellata BITOIANU, p. 118.
1974 Annularia stellata BITOIANU, p. 132.
1984 Annularia stellata PREDA, STREANGA and ROGOVEANU, p. 38.
1988 Annularia stellata BITOIANU, p. 53, Pl. 1, Fig. 5.
1999 Annularia cf. stellata POPA, p. 51, Text-fig. 3.


Short description
Leaves arranged in whorls, uninerve, with entire margins, acute apex, 24-36 leaves per whorl. Whorls are circular in outline.

Annularia stellata is a common species in the coal measures of the South Carpathians, especially in the Resita Basin. It is associated with Calamostachys, Calamites and Pinnularia sphenopsid organs.

Secu, Lupac, Zagradia, Resita Basin, Getic Nappe, South Carpathians.


Westphalian, Stephanian, Lower Permian.

Marsh, coal generating swamp environments.

The preservation is quite good for Secu and Zagradia, while for Lupac, the material is less preserved.

Romanian references
Bitoianu, C., 1973. La flore du Carbonifere superieur de la Roumanie, Septieme Congres International de Stratigraphie et de geologie du Carbonifere, Krefeld, pp. 115-127.

Bitoianu, C., 1974. Le Silezien des Carpathes Meridionales (Roumanie). Bull. Soc. Belge geol. Paleont. Hydrol., 83(2): 131-133.

Bitoianu, C., 1988. Macroflore Stephanienne de Lupac. Studia Univ. Babes-Bolyai, XXXIII(2): 51-63.

Mateescu, I., 1957. Studiu petrografic al carbunilor din bazinele de carbuni Secul si Doman. An. Com. Geol., XXX: 5-51.

Maxim, I.A. and Petrescu, I., 1970. Citeva plante fosile necunoscute din Stephanianul de la Secul (Banat). St. Cerc. Geol., Geofiz., Geogr., Geologie, 15(1): 283-294.

Popa, M.E., 1999. The Early Permian Megaflora from the Resita Basin, South Carpathians, Romania, 5th EPPC. Acta Palaeobotanica. W. Szafer Institute of Botany, Krakow, pp. 47-59.

Preda, I., Streanga, V. and Rogoveanu, V., 1984. Le Carbonifere de la zone de Zagradia (Banat). Analele Univ. Bucuresti: 7.

Semaka, A., 1963. Despre virsta formatiunii de Schela, Congr. Geol. Carp. Balk., V-eme Congr. Assoc. Geol. Carp. Balk., Bucuresti.

Annularia stellata, I. Preda Collection, from Secu, Resita Basin. Scale bar: 10mm.