ZALASIEWICZ, J.

Middle to late Telychian (Silurian: Llandovery) graptolite assemblages of central Wales.

1994. Palaeontology 37; pp. 375–396, 8 fig. Stapled extract.

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Boeknummer: 10990830

Catalogus: Graptolites

ZALASIEWICZ, JAN AND STEVE TUNNICLIFF

Uppermost Ordovician to Lower Silurian graptolite biostratigraphy of the Wye valley, central Wales.

1994. Palaeontology 37; pp. 695–720, 10 fig. Stapled extract.

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Boeknummer: 10990831

Catalogus: Graptolites

ZHANG YUANDONG & BERND -D. ERDTMANN

Tremadocian (Ordovician) biostratigraphy and graptolites at Dayangcha (Baishan, Jilin, NE China).

2004. Paläontologische Zeitschrift 78; pp. 323-354, 14 fig./plts. Orig. extract, stapled, very good, 4to.

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Boeknummer: 89979

Catalogus: Graptolites