Check-listy
* Výčet zemí nemusí být kompletní
Odkazy a literatura
[1] Kraft J. (1975): Dendroid Graptolites of the Ordovician of Bohemia, Acta Mus. Nat. Prague, 31, 3 - 5 [jako Dictyonema krafti Bouček, 1956]
Kraft J. (1975): Dendroid Graptolites of the Ordovician of Bohemia, Acta Mus. Nat. Prague, 31, 3 - 5 [jako Dictyonema krafti Bouček, 1956]
[2] Kraft J. (1975): Dendroid Graptolites of the Ordovician of Bohemia, Acta Mus. Nat. Prague, 31, 3 - 5 [jako Callograptus hanzliki Kraft, 1975]
Kraft J. (1975): Dendroid Graptolites of the Ordovician of Bohemia, Acta Mus. Nat. Prague, 31, 3 - 5 [jako Callograptus hanzliki Kraft, 1975]