Haloragaceae R. BR.

Smith, MacKenzie A., Greenwalt, Dale E. & Manchester, Steven R., 2023, Diverse Fruits And Seeds Of The Mid-Eocene Kishenehn Formation, Northwestern Montana, Usa, And Their Implications For Biogeography, Fossil Imprint 79 (1), pp. 37-88 : 53

publication ID

https://doi.org/ 10.37520/fi.2023.004

persistent identifier

https://treatment.plazi.org/id/4D2487A3-EF4F-8273-FEA8-FC506EE4F989

treatment provided by

Felipe

scientific name

Haloragaceae R. BR.
status

 

Family Haloragaceae R. BR. View in CoL

Genus cf. Myriophyllum L.

Text-fig. 7a View Text-fig

M a t e r i a l. USNM PAL 722490.

L o c a l i t y. Dakin.

D e s c r i p t i o n. Endocarp elliptical 2.1 mm long, 1.1 mm wide; four to five lateral projections on each side measuring 0.2–0.4 mm long and 0.1–0.3 mm wide at the base.

R e m a r k s. Myriophyllum fruits are rectangular to elliptical and have short, lateral projections. Pleistocene leaf fossils are known from Kashmir ( Puri 1951) and endocarps from Nepal ( Bhandari et al. 2009, 2010, 2011). Another fossil occurrence attributed to Haloragaceae is Tarahumara sophiae HERN. - CASTILLO et CEV.- FERRIZ from the Campanian- Maastrichtian of northern Mexico ( Hernandez-Castillo and Cevallos-Ferriz 1999). The Kishenehn specimen may be the oldest macrofossil of the genus.

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