Reference health
A new species of the genus Nalassus Mulsant (Coleoptera: Tenebrionidae: Helopini) from the Baltic amber
1 of 13 checkable references need attention · checked 2026-07-22
At the dated check, the references listed below either did not resolve in Crossref or DataCite, or carried a retraction notice. Each one is shown with the registry record that put it there.
19 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
References needing attention
does not resolve to a known work10.2307/3761911
The 12 checked references that resolve
resolves10.3897/zookeys.415.6523
The Tenebrionidae of California: A Time Sensitive Snapshot Assessment
resolves10.1080/21658005.2013.769717
The beetles (Insecta: Coleoptera) of Baltic amber: the checklist of described species and preliminary analysis of biodiversity
resolves10.31610/zsr/2008.17.1.131
A new species of the genus Pentaphyllus Dejean, 1821 (Coleoptera, Tenebrionidae, Diaperinae) from the Baltic amber and checklist of the fossil Tenebrionidae
resolves10.31610/trudyzin/2010.314.2.191
New genus and species of the tribe Opatrini (Coleoptera, Tenebrionidae, Tenebrioninae) from the lowermost Eocene amber of Paris Basin
resolves10.23885/1814-3326-2012-8-1-33-36
A review of the genus Nalassus Mulsant, 1854 (Coleoptera: Tenebrionidae: Helopini) of China with new concept of the distribution of the genus
resolves10.23885/1814-3326-2013-9-2-261-264
Two new taxa of the genus Nalassus Mulsant, 1854 (Coleoptera: Tenebrionidae) from Georgia
resolves10.1016/j.crpv.2013.09.005
Cryptohelops menaticus – a new genus and species of the tribe Helopini (Coleoptera: Tenebrionidae) from the Palaeocene of Menat (France)
resolves10.1134/S003103010909007X
Differences in ant (Hymenoptera, Formicidae) species composition between weight fractions of Rovno amber
resolves10.1017/S0953756202005907
Fossilised Anzia (Lecanorales, lichen-forming Ascomycota) from European Tertiary amber
The 19 references without a DOI — listed, not checked
no DOI — not checkedArillo, A. and Ortuño, V.M., Catalogue of fossil insect species described from Dominican amber (Miocene), Stuttg. Beitr. Naturk. Ser. B, 2005, vol. 352, pp. 1–68.
no DOI — not checkedHeer, O., Die Insektenfauna der Tertiärgebilde von Oeningen und von Radoboj in Croatien. Erste Theil: Käfer, Neue Denkschrift. Allgem. Schweizer. Gesell. Gesammten Naturwiss. Leipzig, 1847, vol. 8, pp. 1–230.
no DOI — not checkedHeer, O., Ueber die fossilen Insekten Grönlands, in Die fossile Flora Grönlands, Heer, O., Ed., Zürich: Wurster J. und Komp., 1883, vol. 2, pp. 143–148.
no DOI — not checkedHeyden, K. and Heyden, L., Fossile Insekten aus der Braunkohle von Salzhausen, in Palaeontographica: Beitrage zur Naturgeschichte der Vorwelt, Meyer, von, H., Ed., Cassel: Verlag von Theodor Fischer, 1865, vol. 14, pp. 31–35.
no DOI — not checkedHieke, F. and Pietrzeniuk, E., Die Bernstein-Käfer des Museums für Naturkunde, Berlin (Insecta, Coleoptera), Mitteil. Zool. Mus. Berlin, 1984, vol. 60, no. 2, pp. 297–326.
no DOI — not checkedKaszab, Z. and Schawaller, W., Eine neue Scharzkäfer-Gattung und-Art aus dominikanischem Bernstein (Coleoptera, Tenebrionidae), Stuttg. Beitr. Naturk. Ser. B, 1984, vol. 109, pp. 1–6.
no DOI — not checkedKlebs, R., Über Bernsteineinschlüsse in allgemeinen und die Coleopteren meiner Bernsteinsammlung, Schrift. Phys.–Ökonom. Gesell. Königsberg Pr., 1910, vol. 51, pp. 217–242.
no DOI — not checkedMedvedev, G.S., Review of darkling beetles of the genus Cylindronotus Fald. (Coleoptera, Tenebrionidae) of Kazakhstan and Central Asia, Tr. Zool. Inst. Akad. Nauk SSSR, 1987, vol. 170, pp. 99–104.
no DOI — not checkedNabozhenko, M.V., Landscape biotopic distribution and trophic relations of darkling beetles of the tribe Helopini (Coleoptera, Tenebrionidae) in the Caucasus and Ciscaucasia, Tr. Yuzhn. Nauchn. Tsentra Ross. Akad. Nauk, 2007, vol. 3 (Biodiversity and Transformation of Mountain Ecosystems of the Caucasus), pp. 242–252.
no DOI — not checkedNabozhenko, M.V., The causes of breaks in the ranges of darkling beetles of the tribe Helopini (Coleoptera: Tenebrionidae), in Biologicheskoe raznoobrazie Kavkaza i yuga Rossii. Materialy XV mezhdunarodnoi nauchnoi konferentsii (5–6 noyabrya 2013, Makhachkala) (XV International Scientific Conference on Biological Diversity of the Caucasus and southern Russia, November 5–6, 2013, Makhachkala), Makhachkala: IPE RD, 2013a, pp. 177–178.
no DOI — not checkedNabozhenko, M.V. and Löbl, I., Tribe Helopini Latreille, 1802, in Catalogue of Palearctic Coleoptera, vol. 5: Tenebrionoidea, Löbl, I. and Smetana, A., Eds., Stenstrup: Apollo Books, 2008, pp. 241–257.
no DOI — not checkedPerkovsky, E.E., Distribution of aphids of the genus Germaraphis (Homoptera, Aphidinea) in the Rovno ambers of various weights and their syninclusions with ants, Vest. Zool., 2010, vol. 44, no. 1, pp. 55–62.
no DOI — not checkedPonomarenko, A.G. and Kirejtshuk, A.G., Catalogue of Extinct Coleoptera, www.zin.ru/Animalia/Coleoptera/rus/paleosy2.htm (December, 2014).
no DOI — not checkedPurchart, L. and Nabozhenko, M.V., Description of larva and pupa of the genus Deretus (Coleoptera: Tenebrionidae) with key to the larvae of the tribe Helopini, in Acta Entomol. Mus. Nat. Pragae, 2012, vol. 52, suppl. no. 2 (Insect Biodiversity of Socotra Archipelago, Hájek, J. and Bezděk,A., Eds.), pp. 295–302.
no DOI — not checkedSchaufuss, L.W., Einige Käfer aus dem baltischen Bernsteine, Berliner Entomol. Zeitsch., 1888, vol. 32, pp. 266–270.
no DOI — not checkedSeidlitz, G., von, Naturgeschichte der Insecten Deutschlands begonnen von Dr. W.F. Erichson, fortgesetzt von Prof. Dr. H. Schaum, Dr. G. Kraatz, H. v. Kiesenwetter, Julius Weise, Edm. Reitter und Dr. G. Seidlitz. Erste Abtheilung, in Coleoptera: Funfter Band: Erste Halfte, Berlin: Nicolai, 1896, pp. 609–800.
no DOI — not checkedUnger, F., Die fossile Flora von Kumi auf der Insel Euboea, Akad. Wissensch. Vienna. Mathem.–Naturwissensch., Denkschriften: Klasse, 1867, vol. 27, no. 1, pp. 27–90.
no DOI — not checkedVitali, F., A new species of Corticeus Piller and Mitterpacher, 1783 from Dominican amber (Coleoptera Tenebrionidae), Entomapeiron, 2007, vol. 2, no. 1, pp. 1–6.
no DOI — not checkedVitali, F., A new species of Tyrtaeus Champion, 1913 from Dominican amber (Coleoptera Tenebrionidae), Entomapeiron, 2008, vol. 3, no. 1, pp. 11–15.
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