Bibliographic record

Abbot, Maxine Langford, 1963.

Lycopod fructifications from the Upper Freeport (No. 7) Coal in southeastern Ohio. Palaeontographica, Band 112, Abt. B, Ser, 8, Pts. 4-6, Stuttgart, West Germany. P. 93-118.

Specimens figured in this publication:

(1)1172, 1622,