Species

Hormograptus sphaericola (Öpik, 1928)

Type specimen data

holotype: TUG 1317-4, Vanamõisa, Harjumaa, Kukruse Stage

Synonymy list

1928 Thallograptus sphaericola nov. gen. et nov. sp. — Öpik , pp. 36, fig. 3:16-18; 4:2

1930 Hormograptus sphaericola — Öpik , pp. 8

1958 Chaunograptus sphaericola (Öpik) — Obut & Rytzk , pp. 139

1960 Chaunograptus sphaericola — Obut , pp. 150, fig. 4:1, 1a-b

1964 Chaunograptus sphaericola (Öpik) — Obut , pp. 306, fig. 3:#; text fig. 36

Selection of related publications

Obut, A. M. 1960. Correlation of some parts of Estonian Ordovician and Silurian deposits according to graptolites. ENSV TA Geoloogia Instituudi Uurimused V, 143-157.

Öpik, A. 1930. Beiträge zur Kenntnis der Kukruse-(C2-C3-)Stufe in Eesti. IV. Tartu Ülikooli Geoloogia Instituudi Toimetused 24, 1-34.

Öpik, A. 1928. Beiträge zur Kenntnis der Kukruse-(C2-C3-) Stufe in Eesti. III. Tartu Ülikooli Geoloogia Instituudi Toimetused 12, 1-42.

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Hemichordata
Class	Pterobranchia
Subclass	Graptolithina
Family	Wimanicrustidae
Genus	Hormograptus
Species	cervus
	defensor
	densitubularis
	luhai
	ramulus
	sphaericola

References based on distribution

Öpik, 1928a Vanamõisa, Harjumaa Kukruse Stage
Obut, 1960 Uniküla Kukruse Stage