Pasternakevia Selden and Drygant, 1987

Krzemiński, Wiesław, Krzemińska, Ewa & Wojciechowski, Dariusz, 2010, Silurian synziphosurine horseshoe crab Pasternakevia revisited, Acta Palaeontologica Polonica 55 (1), pp. 133-139 : 134

publication ID

https://doi.org/ 10.4202/app.2008.0074

persistent identifier

https://treatment.plazi.org/id/1F1487D5-E304-FFC2-454A-7EA4FAEDFA7B

treatment provided by

Felipe

scientific name

Pasternakevia Selden and Drygant, 1987
status

 

Genus Pasternakevia Selden and Drygant, 1987

Type species: Pasternakevia podolica Selden and Drygant, 1987 ; middle Ludlow , Podolia, Ukraine .

Emmended diagnosis.—Body length c. 30 mm. Carapace large, as broad as or wider than opisthosoma, spatulate, smooth, devoid of other superficial structures and grooves; genal cornua rounded. Opisthosoma 1.2–1.4 times longer than carapace, composed of ten free tergites, of which first, microtergite, is narrow, crescentic, hidden under carapace. Second tergite hypertrophied, arched; two last tergites 9–10 probably ankylosed (fused with respective sternites), forming an indistinct metasoma. Pleurae are well developed on tergites 2–10, shortest on second tergite; remaining are 0.3–0.5 times width of axial region of respective tergite. Telson with broad base; shape and size unknown.

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