Nelson M. Novo, Gabriel M. Martin, Laureano R. González Ruiz, Marcelo F. Tejedor
{"title":"已知最早的猿类灵长类辐射","authors":"Nelson M. Novo, Gabriel M. Martin, Laureano R. González Ruiz, Marcelo F. Tejedor","doi":"10.1002/ajp.70040","DOIUrl":null,"url":null,"abstract":"<p>Two of the more interesting and controversial platyrrhine primate taxa from the Miocene of Patagonia are <i>Soriacebus</i> and <i>Mazzonicebus</i>. Although they are known basically from isolated teeth and partial mandibles and maxillae, their morphology is highly distinctive. Opinions about their phylogenetic relationships differ widely. We interpret these fossils as belonging to the lineage of the anatomically derived, living pitheciine seed-predators; others hold the view that they are stem platyrrhines with convergent adaptations with pitheciines (with the single exception of <i>Proteropithecia</i> among the Patagonian forms), somewhat distant relatives converging coincidently with pitheciines. Here we tested these hypotheses in two ways: (1) by summarizing a character analysis of taxonomically informative traits; (2) we implemented “blind” parsimony analyses using the software package TNT, including a combined matrix of both morphological and molecular data, and replication studies of other matrices. We make some criticisms on the applied methodology of Parsimony in our analysis. <i>Soriacebus</i> and <i>Mazzonicebus</i> resulted sister-taxa nested deeply within the pitheciid clade; thus, and according to our inferences, they are not stem platyrrhines. Most of the differences separating them from the younger and uniformly recognized pitheciine fossils <i>Proteropithecia</i>, <i>Nuciruptor</i> and <i>Cebupithecia</i> are explained as being of more primitive character states; the vast majority of resemblances and their broader functional patterns are definitively pitheciine, as typified by the living pitheciines (sakis and uakaris). We therefore found that none of the Miocene Patagonian genera treated here can be reliably interpreted as stem platyrrhines. Rather, they tend to ratify the Long Lineage Hypothesis.</p>","PeriodicalId":7662,"journal":{"name":"American Journal of Primatology","volume":"87 5","pages":""},"PeriodicalIF":2.0000,"publicationDate":"2025-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ajp.70040","citationCount":"0","resultStr":"{\"title\":\"The Earliest Known Radiation of Pitheciine Primates\",\"authors\":\"Nelson M. Novo, Gabriel M. Martin, Laureano R. González Ruiz, Marcelo F. Tejedor\",\"doi\":\"10.1002/ajp.70040\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>Two of the more interesting and controversial platyrrhine primate taxa from the Miocene of Patagonia are <i>Soriacebus</i> and <i>Mazzonicebus</i>. Although they are known basically from isolated teeth and partial mandibles and maxillae, their morphology is highly distinctive. Opinions about their phylogenetic relationships differ widely. We interpret these fossils as belonging to the lineage of the anatomically derived, living pitheciine seed-predators; others hold the view that they are stem platyrrhines with convergent adaptations with pitheciines (with the single exception of <i>Proteropithecia</i> among the Patagonian forms), somewhat distant relatives converging coincidently with pitheciines. Here we tested these hypotheses in two ways: (1) by summarizing a character analysis of taxonomically informative traits; (2) we implemented “blind” parsimony analyses using the software package TNT, including a combined matrix of both morphological and molecular data, and replication studies of other matrices. We make some criticisms on the applied methodology of Parsimony in our analysis. <i>Soriacebus</i> and <i>Mazzonicebus</i> resulted sister-taxa nested deeply within the pitheciid clade; thus, and according to our inferences, they are not stem platyrrhines. Most of the differences separating them from the younger and uniformly recognized pitheciine fossils <i>Proteropithecia</i>, <i>Nuciruptor</i> and <i>Cebupithecia</i> are explained as being of more primitive character states; the vast majority of resemblances and their broader functional patterns are definitively pitheciine, as typified by the living pitheciines (sakis and uakaris). We therefore found that none of the Miocene Patagonian genera treated here can be reliably interpreted as stem platyrrhines. 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The Earliest Known Radiation of Pitheciine Primates
Two of the more interesting and controversial platyrrhine primate taxa from the Miocene of Patagonia are Soriacebus and Mazzonicebus. Although they are known basically from isolated teeth and partial mandibles and maxillae, their morphology is highly distinctive. Opinions about their phylogenetic relationships differ widely. We interpret these fossils as belonging to the lineage of the anatomically derived, living pitheciine seed-predators; others hold the view that they are stem platyrrhines with convergent adaptations with pitheciines (with the single exception of Proteropithecia among the Patagonian forms), somewhat distant relatives converging coincidently with pitheciines. Here we tested these hypotheses in two ways: (1) by summarizing a character analysis of taxonomically informative traits; (2) we implemented “blind” parsimony analyses using the software package TNT, including a combined matrix of both morphological and molecular data, and replication studies of other matrices. We make some criticisms on the applied methodology of Parsimony in our analysis. Soriacebus and Mazzonicebus resulted sister-taxa nested deeply within the pitheciid clade; thus, and according to our inferences, they are not stem platyrrhines. Most of the differences separating them from the younger and uniformly recognized pitheciine fossils Proteropithecia, Nuciruptor and Cebupithecia are explained as being of more primitive character states; the vast majority of resemblances and their broader functional patterns are definitively pitheciine, as typified by the living pitheciines (sakis and uakaris). We therefore found that none of the Miocene Patagonian genera treated here can be reliably interpreted as stem platyrrhines. Rather, they tend to ratify the Long Lineage Hypothesis.
期刊介绍:
The objective of the American Journal of Primatology is to provide a forum for the exchange of ideas and findings among primatologists and to convey our increasing understanding of this order of animals to specialists and interested readers alike.
Primatology is an unusual science in that its practitioners work in a wide variety of departments and institutions, live in countries throughout the world, and carry out a vast range of research procedures. Whether we are anthropologists, psychologists, biologists, or medical researchers, whether we live in Japan, Kenya, Brazil, or the United States, whether we conduct naturalistic observations in the field or experiments in the lab, we are united in our goal of better understanding primates. Our studies of nonhuman primates are of interest to scientists in many other disciplines ranging from entomology to sociology.