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Swiss Journal of Geosciences

Table 3 The five most common ammonoid species from the Platyclymenia annulata Zone at Kattensiepen

From: Size distribution of the Late Devonian ammonoid Prolobites: indication for possible mass spawning events

Prionoceras divisum (Münster1832)

122 specimens

23.9%

Prolobites aktubensis Bogoslovsky1969

24 specimens

4.7%

Platyclymenia annulata (Münster1832)

81 specimens

15.9%

Platyclymenia subnautilina (Sandberger1855)

152 specimens

29.8%

Pleuroclymenia costata (Lange1929)

32 specimens

6.3%

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