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Arkell.1956.Jurassic..

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Stages<br />

BERRIASIAN<br />

ARDESCIAN or PURBECKIAN<br />

PORTLANDIAN<br />

UPPER KIMERIDGIAN<br />

MIDDLE KIMERIDGIAN<br />

TABLE 5.—CORRELATION OF THE UPPERMOST JURASSIC AND BASAL CRETACEOUS<br />

England<br />

Formations Zones<br />

? Wealden Beds<br />

? Upper Purbeck<br />

Beds<br />

Purbeck Beds<br />

Portland Beds<br />

giganteus<br />

gorei<br />

albani<br />

pallasioides<br />

rotunda<br />

Tethyan<br />

Zones<br />

Haute Savoie, Savoie, Isere<br />

boissieri Berriasian, with in middle B. boissieri,<br />

Neocomites, Spiticeras, etc.<br />

chaperi<br />

transitorius<br />

delphinensis transitorius<br />

[semiforme]<br />

pectinatus ciliata<br />

Kimeridge Clay<br />

(upper and middle<br />

parts)<br />

Subplanites spp. vimineus<br />

Gravesia spp.<br />

http://jurassic.ru/<br />

ulmense<br />

lithographica<br />

Upper Tithonian of Aizy with B. chaperi<br />

fauna<br />

Upper Tithonian of ChomeVac with B.<br />

delphinensis, B. lorioli, B. richteri; and<br />

Purbeckien<br />

Gap (possibly filled at least in part at<br />

Mont Saleve and in the Jura by so-called<br />

Portlandien without ammonites)<br />

Lower Tithonian of Saint-Concors with<br />

the Neuburg and earlier faunas

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