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Authors |
Year |
Title |
|
Antelo |
1969 |
Hallazgo del genero Protocanites (Ammonoidea) en el Carbonifero inferior de la provincia de San Juan.
Ameghiniana, 6 (1): 69-73, fig.1-6; Buenos Aires.
|
|
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Higgins & Wagner-Gentis |
1982 |
Conodonts, goniatites and the biostratigraphy of the earlier Carboniferous from the Cantabrian Mountains, Spain.
Palaeontology, 25 (2): 313-350, fig.1-16, pl.34-36; London.
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|
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Miller & Garner |
1955 |
Lower Mississippian cephalopods of Michigan. Part III. Ammonoids and summary.
Contributions, Museum of Paleontology. Univ. Michigan, 12: 113-173, fig.1-16, pl.1-7; Michigan.
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|
|
Smith |
1903 |
The Carboniferous Ammonoids of America.
Monography, U.S. geological Survey, 42: 1-211, pl.1-29; Washington.
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Weyer |
1972 |
Zum Alter der Ammonoideen-Faunen des Marshall-Sandsteins (Unterkarbon; Michigan, USA).
Berichte der deutschen Gesellschaft der geologischen Wissenschaften, A, Geol. Paläont., 17 (3): 325-350, 1 fig., 1 tab.; Berlin.
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