Species

Spinachitina fragilis (Nestor, 1980)

Type specimen data

holotype: Department of Geology, TalTech GIT 212-17, Ohesaare borehole, Juuru Stage , 446.5 m

Synonymy list

1964 ?Conochitina aff. bulmani — Jansonius

1977 ?Conochitina aff. bulmani — Achab , pp. 418, fig. 2:1-6;3:1-3, 5-6

1980 Coronochitina fragilis sp. n. — Nestor, V. , pp. 104, fig. 5:1

1994 Spinachitina fragilis (Nestor, 1980) — Nestor, V. , pp. 47, fig. 22:1-2

Selection of related publications

Nõlvak, J., Liang, Y., Hints, O. 2023. Latest Ordovician age of the Spinachitina fragilis Chitinozoan Biozone in Baltoscandia. Estonian Journal of Earth Sciences 72, 1, 82-85. DOI:10.3176/earth.2023.51

Hints, O., Ainsaar, L., Lepland, A., Liiv, M., Männik, P., Meidla, T., Nõlvak, J., Radzevičius, S. 2023. Paired carbon isotope chemostratigraphy across the Ordovician–Silurian boundary in central East Baltic: Regional and global signatures. Palaeogeography, Palaeoclimatology, Palaeoecology 624, 1-17. DOI:10.1016/j.palaeo.2023.111640

Loydell, D. K., Nestor, V., Männik, P. 2010. Integrated biostratigraphy of the lower Silurian of the Kolka-54 core, Latvia. Geological Magazine 147, 2, 253-280. DOI:10.1017/S0016756809990574

Nestor, V. 1994. Early Silurian chitinozoans of Estonia and North Latvia. pp. 1-163. Estonian Academy Publishers.

Nestor, V. 1980. New chitinozoan species from the Lower Llandoverian of Estonia. Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 29, 3, 98-107. DOI:10.3176/geol.1980.3.02

Occurrence in samples (CONOP)

Häädemeeste 172 puurauk : 3 sample(s)

Dzerbene 100 puurauk : 1 sample(s)

Laeva 18 puurauk : 8 sample(s)

Kolka 54 puurauk : 1 sample(s)

Nagli 106 puurauk : 2 sample(s)

Ohesaare puurauk : 11 sample(s)

Heimtali 422 puurauk : 6 sample(s)

Ruhnu 500 puurauk : 1 sample(s)

Ristiküla 174 puurauk : 3 sample(s)

Seliste 173 puurauk : 2 sample(s)

Puikule 42 puurauk : 1 sample(s)

Taagepera puurauk : 6 sample(s)

Staicele 4 puurauk : 2 sample(s)

Tartu 453 puurauk : 2 sample(s)

Remte 3 puurauk : 2 sample(s)

Ventspils D-3 puurauk : 1 sample(s)

Juuru puurauk : 1 sample(s)

Classification

Organism group	Biota
Kingdom	Animalia
Class	Chitinozoa
Order	Prosomatifera
Family	Conochitinidae
Subfamily	Spinachitininae
Genus	Spinachitina
Species	cervicornis
	coronata
	fossensis
	fragilis
	harringtoni
	maennili
	multiradiata
	suecica
	taugourdeaui
	titae
	tvaerensis
Subspecies	alaticornis

References based on distribution

Nestor, V., 1994a Ohesaare borehole 446.5 - 446.6 Juuru Stage