A new type of conodont hard tissue

The study of the histology of the Late Devonian and Early Carboniferous conodont elements allows characterizing the main types of hard tissues, composing a conodont element crown: lamellar, paralamellar, interlamellar, and albid. Significant differences between texture and composition of the conodont hard tissues and those of Vertebrata are detected. Some similarities observed in the structures of the conodont and vertebrate mineralized tissues may be caused by similar process of biomineralization, not by synplesiomorphy.Keywords: Conodonta, histology, hard tissues, Late Devonian, Early Carboniferous, Vertebrata.сравнительная гистОлОгия кОнОдОнтОв и ранних пОзвОнОчных А. В. ЖуðàâëåâИíñòèòóò геîлîгèè Êîмè ÍЦ УрÎ РАÍ, Сыêòыâêàр micropalaeontology@gmail.comÈзó÷åíèå ãèñòîëîãèè пîздíåдåвîíñкèх è ðàííåкàìåííîóãîëьíых кîíîдîíòîвых эëåìåíòîв пîзвîëèëî îхàðàкòåðèзîвàòь îñ-íîвíыå òèпы òкàíåй, фîðìèðóющèх кðîíó кîíîдîíòîвых эëåìåíòîв: ëàìåëëяðíóю, пàðàëàìåëëяðíóю, èíòåðëàìåëëяðíóю è àëь-бèдíóю. Îòìå÷åíы ñóщåñòвåííыå ðàзëè÷èя в òåкñòóðå è ñîñòàвå òвåðдых òкàíåй кîíîдîíòîв è пîзвîíî÷íых. Íàбëюдàåìîå íåкîòî-ðîå ñхîдñòвî в òåкñòóðå ìèíåðàëèзîвàííых òкàíåй кîíîдîíòîв è пîзвîíî÷íых ìîжåò быòь îбóñëîвëåíî ñхîдíыìè пðîöåññàìè бèî-ìèíåðàëèзàöèè, à íå ñèíпëåзèîìîðфèåй.Ключевые слова : кîíîäîíты, гèстîлîгèя, твåðäыå ткàíè, пîçäíèй äåвîí, ðàííèй кàðбîí, пîçвîíî÷íыå.

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A new type of conodont hard tissue

Cited by 2 publications

References 6 publications

Carbon isotope study of conodont elements: Applications and limitations

Carbon isotope study of conodont elements: Applications and limitations

Comparative histology of conodonts and early vertebrates

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