Coenholectypus serialis (Deshayes, 1847)

Mohamed Abdelhamid, Marouf Abdel-Aty & Moustafa Azab, Mahmoud, 2012, Turonian-Santonian echinoids from Egypt, Geodiversitas 34 (3), pp. 575-615 : 596-598

publication ID

https://doi.org/ 10.5252/g2012n3a7

publication LSID

lsid:zoobank.org:pub:28D04AB5-0407-40DF-ABB0-0C1184A27655

persistent identifier

https://treatment.plazi.org/id/03B78039-FFB1-A706-FD4E-FD7DC34E02BA

treatment provided by

Marcus

scientific name

Coenholectypus serialis (Deshayes, 1847)
status

 

Coenholectypus serialis (Deshayes, 1847) ( Fig. 11E, F)

Holectypus serialis Deshayes in Agassiz & Desor, 1847: 88. — Desor 1855: 174, pl. 23, figs 7-9.

Coenholectypus serialis – Abdelhamid 1997: 146, fig.5 (11).

MATERIAL EXAMINED. — Three specimens from the Turonian of Wadi Abu Qaada (Wata Formation), AS- UAQE 73-75, Wadi Abu Qaada echinoid horizon 1 ( QEH 1).

DESCRIPTION

Test diameter attaining 15.7-24.2 mm. Outline rounded. Margins relatively thin. Adapical surface low (H/D = 0.39-0.46), dome-shaped. Adoral surface flattened, depressed around peristome. Ambulacral area represents 0.45-0.50 of the width of interambulacrum. Peristome sunken, narrow (Dp/D = 0.29). Periproct inframarginal, occupying the distance between peristome and posterior margin (Lk/D = 0.38), acute at its two extremities.

L W/L H/L LII/LI NI NII NIII Range 8.3-24.3 0.90-1.0 0.40-0.63 0.79-1.0 13-34 12-33 11-27 Mean 17.8 0.94 0.51 0.86 26.8 24.3 20.3

Order CASSIDULOIDA Claus, 1880

Kingdom

Animalia

Phylum

Echinodermata

Class

Echinoidea

Order

Holectypoida

Family

Coenholectypidae

Genus

Coenholectypus

Loc

Coenholectypus serialis (Deshayes, 1847)

Mohamed Abdelhamid, Marouf Abdel-Aty & Moustafa Azab, Mahmoud 2012
2012
Loc

Coenholectypus serialis

ABDELHAMID M. A. M. 1997: 146
1997
Loc

Holectypus serialis

DESOR E. 1855: 174
AGASSIZ L. & DESOR E. 1847: 88
1847
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