RIO VERDE CATFISH Ictalurus mexicanus (Meek 1904) Identification: The Rio Verde Catfish has the dorsal spine longer than the fleshy interorbital distance, 2-3 very small serrae on the pectoral spine of the juvenile, and 20-27 anal rays. The supraoccipital spine is not in contact with supraneura
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Helogenes castaneus (Dahl, 1960) Identification: Helogenes castaneus is readily distinguished from H. uruyensis in the number of anal-fin rays (43-49, vs. 32-37) and a number of morphometric differences. The presence of eight principal rays in the lower lobe of the caudal fin in H. castaneus sepa
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Akysis clinatus Ng & Rainboth 2005 Identification: The body relatively stout. The mouth is terminal; the tip of the snout is not in front of the lower jaw, or only slightly in front of the lower jaw. There is a space between the anterior nostril and the base of the nasal barbel that is about
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Genus: Paryphantopsis
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Young leaf of Aquatifolia fluitans Wang and Dilcher, an aquatic angiosperm leaf from the Hoisington III locality, Kansas. UF15706-8263. Note the spherical float on the petiole. Scale bar = 1 cm. Figure 1a, Wang and Dilcher 2006.
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Lanagiopollis sp. cf. Lanagiopollis crassa type of Frederiksen., UF 18200 – 34219, Plate2, figure1 in David M. Jarzen and David L. Dilcher. 2006. Middle Eocene Terrestrial Palynomorphs from the Dolime Minerals and Gulf Hammock Quarries, Florida, U.S.A. Palynology, 30: 89-110.
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Landeenia aralioides (MacGinitie) Manchester & Hermsen. Scattering of fruits preserved in various orientations, UF22618. Figure 3 in Manchester, S. R. and E. J. Hermsen. 2000. Flowers, fruits, seeds, and pollen of Landeenia gen. nov., an extinct sapindalean genus from the Eocene of Wyoming. Amer
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Pigg, K.B., R.A. Stockey and S.L. Maxwell. 1993. Paleomyrtinaea, a new genus of permineralized myrtaceous fruits and seeds from the Eocene of British Columbia and Paleocene of North Dakota. Canadian Journal of Botany 71:1-9.
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Paliurus (Rhamnaceae) fruit impression from the Middle or Upper Miocene, Alum Bluff, Florida. Figure 9C in Manchester, S.R. 1999. Biogeographic relationships of North American Tertiary Floras. Annals of the Missouri Botanical Garden 86:472-522.
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Staminate catkin associated with Polyptera manningii. Figured in Manchester, S.R. and D.L. Dilcher. 1997. Reproductive and vegetative morphology of Polyptera (Juglandaceae) from the Paleocene of Wyoming and Montana. American Journal of Botany 84:649-663.
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