Ontogenetic Stages Reflected in Conodont Pa Elements: A Proposed Standardized Classification and Its Paleobiologic Implications
نویسندگان
چکیده
منابع مشابه
Conodont anatomy, chordate phylogeny and vertebrate classification
Interpretations of conodont anatomy and affinity continue to generate controversy. Fossilized soft-tissue evidence indicates that conodonts possessed eyes, extrinsic eye muscles, a notochord, myomeres, a differentiated tail with fin radials, possible otic capsules and possible branchial structures. Indirect evidence suggests a differentiated brain and cartilaginous head skeleton. The multi-comp...
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ژورنال
عنوان ژورنال: The Paleontological Society Special Publications
سال: 1996
ISSN: 2475-2622,2475-2681
DOI: 10.1017/s2475262200002306