A possible Early Cambrian chordate

The Life of Vertebrates

1950 • 425 citations

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1993 • 391 citations

HEADS AND TAILS: A CHORDATE PHYLOGENY

1986 • 280 citations

The early evolution of metazoa and the significance of problematic taxa

1993 • 271 citations

STAGES IN THE ORIGIN OF VERTEBRATES: ANALYSIS BY MEANS OF SCENARIOS

1989 • 242 citations

The Fossils of the Burgess Shale

1994 • 237 citations

The ancestry of the vertebrates

1986 • 228 citations

Ediacaran-like fossils in Cambrian Burgess Shale-type faunas of North America

1993 • 196 citations

The Phylogeny of Vertebrata.

1978 • 185 citations

Composition and preservation of the Chengjiang fauna –a Lower Cambrian soft‐bodied biota

1991 • 183 citations

The anatomy of conodonts

1993 • 170 citations

Lower Cambrian Olenellus zone of the Appalachians

1938 • 150 citations

A giant conodont with preserved muscle tissue from the Upper Ordovician of South Africa

1995 • 140 citations

Deuterostome Monophyly and Phylogeny

1987 • 133 citations

Hardistiella montanensisn. gen. et sp. (Petromyzontida) from the Lower Carboniferous of Montana, with remarks on the affinities of the lampreys

1983 • 84 citations

Decay of Branchiostoma : implications for soft‐tissue preservation in conodonts and other primitive chordates

1993 • 79 citations

A phylogenetic test of the calcichordate scenario

1995 • 60 citations

What are the ‘Calcichordata’? and the larger question of the origin of Chordates

1982 • 50 citations

The life of vertebrates, 3rd edition

1982 • 48 citations

A new stem craniate from the Ordovician of Morocco and the search for the sister group of the craniata

1990 • 42 citations

New animals from the Burgess Shale (Middle Cambrian) and their possible significance for the understanding of the Bilateria

1993 • 35 citations

A second lamprey from the Lower Carboniferous (Namurian) of Bear Gulch, Montana (U.S.A.)

1986 • 32 citations

At the orgin of chordates

1992 • 29 citations

An enigmatic chordate from the Lower Carboniferous Granton ‘shrimp‐bed’ of the Edinburgh district, Scotland

1987 • 18 citations