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Morphologie der Seeigelzähne

I. Der Zahn von Stylocidaris affinis (Phil.) (Echinodermata, Echinoidea)

Morphology of Sea-Urchin Teeth

I. The Tooth of Stylocidaris affinis (Phil.) (Echinodermata, Echinoidea)

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Abstract

The teeth of sea-urchins are not to be compared with the other skeletal-structures of echinoderms. The tooth is constructed of two rows of calcitelements, which are connected by secondary calcareous deposits forming the functional tooth. The surface of the tooth is covered by a crust of calcit. This fundamental construction is described from Stylocidaris affinis, which belongs to the archaic Cidaridae.

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Abbreviations

aO :

apikaler Odontoblastenherd

BG :

Basalgeflecht

F :

Flügel

H :

Haftrinde

HF :

Hauptfalte

HP :

Haftpunkt

K :

Kante

KA :

Kauabschnitt

KK :

Kaukante

L :

Lamellen

LB :

Lithoblasten

lP :

laterale Prismen

M :

Medianebene

MR :

Medianrinne

N :

Nadeln

NF :

Nebenfalte

P :

Prismen

PB :

prismenbildende Zellen

Pl :

Plumula

PP :

Primärplatte

PZ :

Plattenzähne

QF :

Querfalte

R :

Rinde

Ri :

Kalkrippen

Sch :

Schaft

sO :

subapikale Odontoblasten

SP :

Sekundärplatte

ST :

Steinteil

U :

Umbo

ZB :

Zellblätter

zP :

zentrale Prismen

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Author information

Author notes

  1. Herbert Titschack

    Present address: , 61 Darmstadt, Dieburger Str. 117, Germany

Authors and Affiliations

  1. Zahnärztliches Institut der Universität Gießen, Gießen, Germany

    Konrad Märkel

  2. Zoologisches Institut der Technischen Hochschule Darmstadt, Germany

    Herbert Titschack

Authors
  1. Konrad Märkel
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  2. Herbert Titschack
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Additional information

Mit Unterstützung der Deutschen Forschungsgemeinschaft (Beihilfe an den erstgenannten Autor).

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Märkel, K., Titschack, H. Morphologie der Seeigelzähne. Z. Morph. Tiere 64, 179–200 (1969). https://doi.org/10.1007/BF00391786

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  • DOI: https://doi.org/10.1007/BF00391786

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