NEW RECORDS OF MORACEAE FROM THE UPPER MIOCENE OF NORTHEASTERN ARGENTINA

被引：0

作者：

Martinez Martinez, Camila M. ^{[1
]}

机构：

[1] Consejo Nacl Invest Cient Tecn CICYTIP CONICEI Pr, Ctr Invest Cient Transferencia Tecnol Prod, Lab Paleobot, Espana 149,E3105BWA, Diamante, Entre Rios, Argentina

来源：

AMEGHINIANA | 2023年 / 60卷 / 01期

关键词：

Ituzaingo Formation; permineralized fossil wood; Wood anatomy; Helicostylis; Sorocea; South America; Riparian forest; Gallery forest; ITUZAINGO FORMATION PLIOCENE; SYSTEMATIC WOOD ANATOMY; PARANA RIVER-BASIN; FOSSIL WOODS; DICOTYLEDONOUS WOOD; ENTRE RIOS; 1ST RECORD; N; GEN; PLEISTOCENE; URTICALES;

D O I：

10.5710/AMGH.04.12.2022.3519

中图分类号：

Q91 [古生物学];

学科分类号：

0709 ; 070903 ;

摘要：

New records of permineralized fossil woods recovered from the fluvial sediments of Ituzaingo Formation (upper Miocene) in the fossiliferous locality of Toma vieja (Entre Rios, Argentina) are described in this work. An eco-anatomical study of the secondary xylem was performed and the fossil woods were assigned to Moraceae. A new genus and species is proposed, Helicostyloxylon paranensis, and a new record of Soroceaxylon entrerriensis Franco is described. Many anatomical features in these fossil woods are related to warm and humid conditions. Also, the vulnerability and Mesomorphy indices were calculated, both evidencing mesomorphic values, and the Nearest Living Relatives (NLRs) method was used to reveal the riparian or "gallery" forest floristic affinity of these fossil woods.

引用

页码：78 / 96

页数：19

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