• First tropical American species of the "relict" genus Litoleptis, and relationships in Spaniinae (Diptera, Rhagionidae). (American Museum novitates, no. 3909) 

  Grimaldi, David A. (American Museum of Natural History., 2018-10-09)

  The genus Litoleptis has consisted of nine described species, seven of them Asian and only two in the New World: L. alaskensis Chillcott, known from two specimens from northwest Alaska, and L. chilensis Hennig, known from ...
• Biological inclusions in amber from the Paleogene Chickaloon Formation of Alaska. (American Museum novitates, no. 3908) 

  Grimaldi, David A.; Sunderlin, David.; Aaroe, Georgene A.; Dempsky, Michelle R.; Parker, Nancy E.; Tillery, George Q.; White, Jaclyn G.; Barden, Phillip.; Nascimbene, Paul C.; Williams, Christopher J. (Christopher James), 1970- (American Museum of Natural History., 2018-09-28)

  The Chickaloon Formation in south-central Alaska contains rich coal deposits dated very close to the Paleocene-Eocene boundary, immediately beneath which occur dispersed nodules of amber along with abundant remains of ...
• Supplemental Material for 'Sea anemones through X-rays : visualization of two species of Diadumene (Cnidaria, Actiniaria) using micro-CT. (American Museum novitates, no. 3907)' 

  Gusmão, Luciana Câmara, 1981-; Grajales, Alejandro; Rodríguez, Estefania (2018-09-18)

  Supplemental Material for 'Sea anemones through X-rays : visualization of two species of Diadumene (Cnidaria, Actiniaria) using micro-CT. (American Museum novitates, no. 3907)'
• Sea anemones through X-rays : visualization of two species of Diadumene (Cnidaria, Actiniaria) using micro-CT. (American Museum novitates, no. 3907) 

  Gusmão, Luciana Câmara, 1981-; Grajales, Alejandro.; Rodríguez, Estefania. (American Museum of Natural History., 2018-09-17)

  Diadumenidae is a monogeneric family comprised of 10 valid species in the genus Diadumene. Although these species are distributed in all but the Southern Ocean, Diadumene lineata is a cosmopolitan species and one of the ...
• Parahelicops, Pararhabdophis, paraphyly : phylogenetic relationships among certain Southeast Asian natricine snakes (Hebius). (American Museum novitates, no. 3906) 

  Kizirian, David.; Nguŷẽn, Qủang Trừơng.; Ngo, Hanh Thi.; Le, Minh Duc, 1973- (American Museum of Natural History., 2018-08-21)

  We investigate the phylogenetic relationships of two poorly known Natricinae, Parahelicops and Pararhabdophis, for which we obtained nucleotide sequence data from one mitochondrial gene (cytochrome b) and three nuclear ...
• Morphology and evolution of sesamoid elements in bats (Mammalia, Chiroptera). (American Museum novitates, no. 3905) 

  Amador, Lucila Inés.; Giannini, Norberto P.; Simmons, Nancy B.; Abdala, Virginia. (American Museum of Natural History., 2018-08-17)

  Sesamoids are skeletal elements found within a tendon or ligament as it passes around a joint or bony prominence. Here we review the distribution of sesamoids in bats, the only mammals capable of powered flight. Our survey ...
• Fossil land tortoises (Testudines, Testudinidae) from the Dominican Republic, West Indies, with a description of a new species. (American Museum novitates, no. 3904) 

  Albury, Nancy Ann, 1955-; Franz, Richard (Professor); Rímoli, Renato O.; Lehman, Phillip.; Rosenberger, Alfred L. (American Museum of Natural History., 2018-08-09)

  A new fossil tortoise, Chelonoidis dominicensis, is described from a flooded cave in La Altagracia Province in the southeastern Dominican Republic on the island of Hispaniola. The holotype, and only known specimen, includes ...
• At the vanishing point : environment and prehistoric land use in the Black Rock Desert. (Anthropological papers of the American Museum of Natural History, number 103) 

  McGuire, Kelly R.; Hildebrandt, William R.; Young, D. Craig.; Colligan, Kaely.; Harold, Laura. (American Museum of Natural History., 2018-06-29)

  This volume presents the results of data recovery excavations directed at prehistoric archaeological deposits located near Sulphur Springs, along the southeastern margin of the Black Rock Desert, in Humboldt and Pershing ...
• New Paleogene notohippids and leontiniids (Toxodontia, Notoungulata, Mammalia) from the early Oligocene Tinguiririca Fauna of the Andean Main Range, central Chile. (American Museum novitates, no. 3903) 

  Wyss, André R.; Flynn, John J. (John Joseph), 1955-; Croft, Darin A. (American Museum of Natural History., 2018-06-25)

  Here we describe three new notohippid notoungulate species from the early Oligocene-aged Tinguiririca Fauna (Tinguirirican SALMA), recovered from volcaniclastic deposits of the Abanico Formation in the central Chilean ...
• Systematics and analysis of the radiation of Orthotylini plant bugs associated with callitroid conifers in Australia : description of five new genera and 32 new species (Heteroptera, Miridae, Orthotylinae). (Bulletin of the American Museum of Natural History, no. 422) 

  Symonds, Celia L.; Cassis, G. (American Museum of Natural History., 2018-06-22)

  Orthotyline plant bugs inhabiting the southern conifer genus Callitris in Australia are investigated and classified systemically for the first time, with the description of 5 new genera and 32 new species from Australia. ...
• Occurrence of Dipleura dekayi Green, 1832 (Trilobita, Homalonotidae) in the Devonian of Colombia. (American Museum novitates, no. 3902) 

  Carvalho, Maria da Gloria Pires de. (American Museum of Natural History., 2018-06-21)

  A large and almost complete dorsal exoskeleton of a homalonotid trilobite from the Middle Devonian of Colombia (Floresta Formation) is described and referred to Dipleura dekayi Green, 1832, confirming prior suggestions of ...
• Hirtodrosophila of North America (Diptera, Drosophilidae). (Bulletin of the American Museum of Natural History, no. 421) 

  Grimaldi, David A. (American Museum of Natural History., 2018-06-21)

  Species concepts are morphologically revised and updated for members of the mycophagous genus Hirtodrosophila Duda that occur in America north of Mexico. Photomicrographs of external features, illustrations of male and ...
• Systematic revision of the North American syntropine vaejovid scorpion genera Balsateres, Kuarapu, and Thorellius, with descriptions of three new species. (Bulletin of the American Museum of Natural History, no. 420) 

  González-Santillán, Edmundo.; Prendini, Lorenzo. (American Museum of Natural History., 2018-06-20)

  Four genera formed a monophyletic group, referred to as the Kochius clade, in the phylogeny of the North American vaejovid scorpion subfamily Syntropinae Kraepelin, 1905: Balsateres González-Santillán and Prendini, 2013; ...
• Convergent evolution of a eusuchian-type secondary palate within Shartegosuchidae. (American Museum novitates, no. 3901) 

  Dollman, Kathleen N.; Clark, James Matthew, 1956-; Norell, Mark.; Xu, Xing, 1969-; Choiniere, Jonah N.; Mongolian-American Museum Paleontological Project.; Mongolyn Shinzhlėkh Ukhaany Akademi. (American Museum of Natural History., 2018-06-18)

  Shartegosuchids are a poorly known, early-branching group of Asian and North American crocodylomorphs. Shartegosuchids have been hypothesized to have eusuchian-type secondary palates, but a paucity of described material ...
• Supplemental Material for 'Convergent evolution of a eusuchian-type secondary palate within Shartegosuchidae. (American Museum novitates, no. 3901)' 

  Dollman, Kathleen N.; Clark, James Matthew; Norell, Mark; Xu, Xing; Choiniere, Jonah N.; Mongolian-American Museum Paleontological Project.; Mongolyn Shinzhlėkh Ukhaany Akademi. (2018-06-18)

  Supplemental Material for 'Convergent evolution of a eusuchian-type secondary palate within Shartegosuchidae. (American Museum novitates, no. 3901)'
• In situ observations of the meso-bathypelagic scyphozoan, Deepstaria enigmatica (Semaeostomeae, Ulmaridae). (American Museum novitates, no. 3900) 

  Gruber, David F.; Phillips, Brennan.; Marsh, Leigh.; Sparks, John S. (American Museum of Natural History., 2018-05-09)

  Deepstaria enigmatica (Semaeostomeae: Ulmaridae) is one of the largest and most mysterious invertebrate predators of the deep sea. Humans have encountered this jellyfish on only a few occasions and many questions related ...
• Supplemental Material for 'In situ observations of the meso-bathypelagic scyphozoan, Deepstaria enigmatica (Semaeostomeae, Ulmaridae). (American Museum novitates, no. 3900)' 

  Gruber, David F.; Phillips, Brennan; Marsh, Leigh; Sparks, John S. (2018-05-09)

  Supplemental Material for 'In situ observations of the meso-bathypelagic scyphozoan, Deepstaria enigmatica (Semaeostomeae, Ulmaridae). (American Museum novitates, no. 3900)'
• A second specimen of Citipati osmolskae associated with a nest of eggs from Ukhaa Tolgod, Omnogov Aimag, Mongolia. (American Museum novitates, no. 3899) 

  Norell, Mark.; Balanoff, Amy M.; Barta, Daniel E.; Erickson, Gregory M. (American Museum of Natural History., 2018-04-26)

  Adult dinosaurs preserved attending their nests in brooding positions are among the rarest vertebrate fossils. By far the most common occurrences are members of the dinosaur group Oviraptorosauria. The first finds of these ...
• Supplemental Material for 'A second specimen of Citipati osmolskae associated with a nest of eggs from Ukhaa Tolgod, Omnogov Aimag, Mongolia. (American Museum novitates, no. 3899)' 

  Norell, Mark; Balanoff, Amy M.; Barta, Daniel E.; Erickson, Gregory M.; Mongolian-American Museum Paleontological Project.; Mongolyn Shinzhlėkh Ukhaany Akademi. (2018-04-26)

  Supplemental Material for 'A second specimen of Citipati osmolskae associated with a nest of eggs from Ukhaa Tolgod, Omnogov Aimag, Mongolia. (American Museum novitates, no. 3899)'
• Preliminary study of the bumble bee Bombus griseocollis, its eggs, their eclosion, and its larval instars and pupae (Apoidea, Apidae, Bombini). (American Museum novitates, no. 3898) 

  Rozen, Jerome G., Jr. (Jerome George), 1928-; Smith, Corey Shepard.; Johnson, Dennis E. (Dennis Earl), 1942- (American Museum of Natural History., 2018-04-04)

  This paper describes and illustrates the egg, fifth, first, and fourth larval instars, as well as the female pupa of Bombus (Cullumanobombus) griseocollis (DeGeer), all collected from a single nest in June 2017 in Wisconsin. ...

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