Mississippian Goniatitidae and Entogonitidae material documents a family-level distribution and tests a Lazarus-pattern interpretation within Goniatitida; it is not the order's global history.
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References / paperThe Lazarus ammonoid family Goniatitidae, the tetrangularly coiled Entogonitidae, and Mississippian biogeography
Korn, D.; Klug, C.; Mapes, R.H.
Year2005
Source roleprimary-study
DOI / ID10.1666/0022-3360(2005)079<0356:TLAFGT>2.0.CO;2
Fitness and scope
taxonomy · morphology · biogeography · range
Family-level early Late Viséan material and biogeographic synthesis within Goniatitida; it supports that regional study window but cannot define the whole order’s endpoints.
Claim ledger
Korn et al. describe an early Late Viséan Moroccan ammonoid assemblage within Goniatitida; the atlas conservatively displays the enclosing Viséan interval, 346.7–330.3 Ma, as a study-sample window rather than an order-wide FAD or LAD.
claim:taxon:goniatitida:source-bounded-range-rc50