Elga Mark-Kurik

Publications11
h-index7
Citations280
Highly Influential Citations18
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The pectoral fin of Panderichthys and the origin of digits
One of the identifying characteristics of tetrapods (limbed vertebrates) is the presence of fingers and toes. Whereas the proximal part of the tetrapod limb skeleton can easily be homologized with… Expand
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A NEW GENUS OF PLACODERM (ARTHRODIRA: ‘ACTINOLEPIDA’) FROM THE LOWER DEVONIAN OF PODOLIA (UKRAINE)
Abstract A new genus of ‘actinolepid’ arthrodire placoderm, Erikaspis, is named to contain “Kujdanowiaspis” zychi Stensiö, 1945, from the Lochkovian–Pragian deposits (Lower Devonian) of Podolia… Expand
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Copulation in antiarch placoderms and the origin of gnathostome internal fertilization
Reproduction in jawed vertebrates (gnathostomes) involves either external or internal fertilization. It is commonly argued that internal fertilization can evolve from external, but not the reverse.… Expand
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Bite marks as evidence of predation in early vertebrates
Study of lifetime bite traces on agnathans and fish (or gnathostomes) from Ukraine, Estonia, Latvia and north-western and central European Russia reveals evidence of predator–prey relationships in… Expand
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A near-tetrapod from the Baltic Middle Devonian
The tetrapodomorph sarcopterygian Livoniana multidentata gen. et sp. nov. is described on the basis of lower jaw fragments from the Middle Devonian(late Givetian) of Latvia and Estonia. It possesses… Expand
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Early Devonian fishes from coastal De Long Strait, central Chukotka, Arctic Russia
ABSTRACT Calcareous and sandy deposits from the basal members of the Enmakaj and Pil'hikaj formations in coastal exposures along the De Long Strait in central Chukotka, Arctic far-eastern Russia,… Expand
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Origins of bone repair in the armour of fossil fish: response to a deep wound by cells depositing dentine instead of dermal bone
The outer armour of fossil jawless fishes (Heterostraci) is, predominantly, a bone with a superficial ornament of dentine tubercles surrounded by pores leading to flask-shaped crypts (ampullae).… Expand
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Devonian vertebrate biochronology and global marine/non-marine correlation.
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The pectoral fin of Pandericthys rhombolepis: 3D structure and life-orientation.
A new genus of ptyctodont (Placodermi) from the Late Devonian of Baltic area
The ptyctodont fish first referred to as Chelyophorus pskovensis Obruchev, 1947 from the Early Frasnian (Late Devonian) of Velikaya River, Pskov Region, Russia, is redescribed following the… Expand