Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a publisher retraction,
withdrawal, or removal notice.
The 30 references without a DOI — listed, not checked
no DOI — not checkedAgassiz L.Recherches sur les Poissons Fossiles. Neuchâtel 183344.
no DOI — not checkedFritsch A.Fauna der Gaskohle. Prague 187994.
no DOI — not checkedOn the Dermal Fin‐Rays of Fishes
no DOI — not checkedGoodrich E. S.On the Systematic Position of Polypterus.” Brit. Assoc. Report 1907.
no DOI — not checkedOn the Pelvic Girdle and Fin of Eusthenopteron.
no DOI — not checkedDescription of Ceratodus.
no DOI — not checkedUeber Bau u. Entwicklung der Placoidschuppen
no DOI — not checkedUeber das Hautskelet der Fische
no DOI — not checkedMorph. Jahrb. 1879 vol. v
no DOI — not checkedMorph. Jahrb. 1881 vol. vii
no DOI — not checkedHuxley T.The Systematic Arrangement of the Fishes of the Devonian Epoch.Mem. Geol. Surv. Dec. 10 1861.
no DOI — not checkedOn Cephalaspis and Pteraspis.
no DOI — not checkedZur. Morphologie der Fischschuppen
no DOI — not checkedLankester E. R.The Cephalaspidæ.Mon. Palæeont. Soc. 186870.
no DOI — not checkedHistologische Bemerkungen über den Polypterus bichir.
no DOI — not checkedDevelopment of the Scales of Lepidosteus.
no DOI — not checkedAcanthodes bronni.
no DOI — not checkedReissner E.Ueber die Schuppen v.Polypterusu.Lepidosteus.Arch. f. Anat. u. Phys. 1859.
no DOI — not checkedUeber fossile Fische v. oberen Jenissei,” etc
no DOI — not checkedMém. Acad. St. Pétersb. 1893 vol. xli
no DOI — not checkedRohon J. V.Die Dendrodonten.Mém. Acad. St. Pétersb..
no DOI — not checkedHoloptychius‐Schuppen
no DOI — not checkedUeber d. v. Abänderungen der Hartgewebe
no DOI — not checkedThe Enamel of Elasmobranch Fishes
no DOI — not checkedReport on Fossil Fishes
no DOI — not checkedOn Thelodus pagei, Powrie
no DOI — not checkedDipnoerschuppen
no DOI — not checkedOn the Microscopic Structure of the Scales &c
no DOI — not checkedInvestigations into the Structure and Development of the Scales and Bones of Fishes
no DOI — not checkede_1_2_1_33_2
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