• Systematics of the "giant" Ricinulei (Ricinoididae: Ricinoides) of West Africa : with descriptions of five new species and comparative morphology of the male copulatory apparatus. (Bulletin of the American Museum of Natural History, no. 448) 

  Botero-Trujillo, Ricardo; Sain, Colby E.; Prendini, Lorenzo (New York, NY : American Museum of Natural History, 2021-04-05)

  The Ricinulei Thorell, 1876, or "hooded tick-spiders," are among the rarest and least studied arachnid orders. Ricinoides Ewing, 1929, the only Old World genus of extant ricinuleids, with 11 species described from tropical ...
• A revision of the didelphid marsupial genus Marmosa. Part 3, A new species from western Amazonia, with redescriptions of M. perplexa Anthony, 1922, and M. germana Thomas, 1904. (American Museum novitates, no. 3969) 

  Voss, Robert S.; Giarla, Thomas C. (New York, NY : American Museum of Natural History, 2021-04-01)

  We describe a new species of woolly mouse opossum from northwestern Amazonia, Marmosa jansae, based on museum specimens previously misidentified either as M. germana Thomas, 1904, or as M. regina Thomas, 1898. Instead of ...
• Supplemental Material for 'Evolution in the genus Rhinella : a total evidence phylogenetic analysis of neotropical true toads (Anura: Bufonidae). (Bulletin of the American Museum of Natural History, no. 447)' 

  Pereyra, Martín O.; Blotto, Boris L.; Baldo, Diego; Chaparro, Juan C.; Ron, Santiago R.; Elias-Costa, Agustín J.; Iglesias, Patricia P.; Venegas, Pablo J.; Thomé, Maria Tereza C.; Ospina-Sarria, Jhon Jairo; Maciel, Natan M.; Rada, Marco; Kolenc, Francisco; Borteiro, Claudio; Rivera-Correa, Mauricio; Rojas Runjaic, Fernando J.M.; Moravec, Jiří; Riva, Ignacio de la; Wheeler, Ward C.; Castroviejo-Fisher, Santiago; Grant, Taran; Haddad, Célio F.B.; Faivovich, Julian (New York, NY : American Museum of Natural History, 2021-03-03)

  Supplemental Material for 'Evolution in the genus Rhinella : a total evidence phylogenetic analysis of neotropical true toads (Anura: Bufonidae). (Bulletin of the American Museum of Natural History, no. 447)'
• Evolution in the genus Rhinella : a total evidence phylogenetic analysis of neotropical true toads (Anura: Bufonidae). (Bulletin of the American Museum of Natural History, no. 447) 

  Pereyra, Martín O.; Blotto, Boris L.; Baldo, Diego; Chaparro, Juan C.; Ron, Santiago R.; Elias-Costa, Agustín J.; Iglesias, Patricia P.; Venegas, Pablo J.; Thomeí, Maria Tereza C.; Ospina-Sarria, Jhon Jairo; Maciel, Natan M.; Rada, Marco; Kolenc, Francisco; Borteiro, Claudio; Rivera-Correa, Mauricio; Rojas Runjaic, Fernando J.M.; Moravec, Jiri; Riva, Ignacio de la; Wheeler, Ward C.; Castroviejo-Fisher, Santiago; Grant, Taran; Haddad, Celio F.B.; Faivovich, Julian (New York, NY : American Museum of Natural History, 2021-03-31)

  True toads of the genus Rhinella are among the most common and diverse group of Neotropical anurans. These toads are widely distributed throughout South America, inhabiting a great diversity of environments and ecoregions. ...
• On the supposed presence of Miocene Tayassuidae and Dromomerycinae (Mammalia, Cetartiodactyla) in South America. (American Museum novitates, no. 3968) 

  Gasparini, Germán M.; Dutra, Rodrigo Parisi; Perini, Fernando A.; Croft, Darin A.; Cozzuol, Mario A.; Missagia, Rafaela V.; Lucas, Spencer G. (New York, NY : American Museum of Natural History, 2021-03-19)

  The earliest record of North American mammals in South America is significant for constraining the timing of intercontinental faunal interchange. At present, the oldest securely dated remains of a North American terrestrial ...
• Supplemental Material for 'First report of biofluorescence in Arctic snailfishes and rare occurrence of multiple fluorescent colors in a single species. (American Museum novitates, no. 3967)' 

  Gruber, David F.; Sparks, John S. (American Museum of Natural History., 2021-03-18)

  Supplemental Material for 'First report of biofluorescence in Arctic snailfishes and rare occurrence of multiple fluorescent colors in a single species. (American Museum novitates, no. 3967)'
• First report of biofluorescence in Arctic snailfishes and rare occurrence of multiple fluorescent colors in a single species. (American Museum novitates, no. 3967) 

  Gruber, David F.; Sparks, John S. (New York, NY : American Museum of Natural History, 2021-03-18)

  Biofluorescence has recently been reported to be phylogenetically widespread and phenotypically variable across bony fishes, and is most common in tropical coral reef lineages. Here we provide the first documentation of ...
• Phylogeny, classification, Mesozoic fossils, and biogeography of the Leiinae (Diptera: Mycetophilidae). (Bulletin of the American Museum of Natural History, no. 446) 

  Oliveira, Sarah Siqueira; Amorim, Dalton de Souza (American Museum of Natural History., 2021-03-16)

  The relationships among the genera of fungus gnats in the mycetophilid subfamily Leiinae are unclear, and the monophyly of this group is questionable. This monograph provides an extensive phylogenetic study of theLeiinae ...
• On the taxonomic identity of Pteronotus davyi incae Smith, 1972 (Chiroptera: Mormoopidae). (American Museum novitates, no. 3966) 

  Pavan, Ana Carolina; Cadenillas, Richard; Centty, Oscar; Pacheco, Víctor; Velasco, Paúl M. (New York, NY : American Museum of Natural History, 2021-03-09)

  The subgenus Pteronotus (naked-backed bats) comprises three species, P. davyi, P. fulvus, and P. gymnonotus, which are distinguished from other members of the genus Pteronotus by wing membranes that are fused along the ...
• Supplemental Material for 'The osteology of Haya griva (Dinosauria: Ornithischia) from the Late Cretaceous of Mongolia. (Bulletin of the American Museum of Natural History, no. 445)' 

  Barta, Daniel E.; Norell, Mark A. (American Museum of Natural History., 2021-02-26)

  Supplemental Material for 'The osteology of Haya griva (Dinosauria: Ornithischia) from the Late Cretaceous of Mongolia. (Bulletin of the American Museum of Natural History, no. 445)'
• The osteology of Haya griva (Dinosauria: Ornithischia) from the Late Cretaceous of Mongolia. (Bulletin of the American Museum of Natural History, no. 445) 

  Barta, Daniel, E.; Norell, Mark A. (American Museum of Natural History., 2021-02-26)

  Haya griva is an early-diverging neornithischian ("hypsilophodontid") dinosaur known from several well-preserved skulls and articulated postcranial skeletons, in addition to dozens of partial or isolated finds from the ...
• Deep-sea anemones (Cnidaria: Anthozoa: Actiniaria) from the South Atlantic (Bulletin of the American Museum of Natural History, no. 444) 

  Gusmão, Luciana Câmara, 1981-; Rodríguez, Estefania (American Museum of Natural History., 2021-02-04)

  Brazil has the longest coastline in South America with more than 7491 km of hydrologically and topologically complex continental margin. Despite its extensive coast, the sea anemone fauna of the country is sparsely known ...
• A new dromaeosaurid from the Late Cretaceous Khulsan locality of Mongolia (American Museum novitates, no. 3965) 

  Turner, Alan H. (Alan Hamilton); Montanari, Shaena A.; Norell, Mark (American Museum of Natural History., 2021-01-13)

  A new dromaeosaurid dinosaur, Shri devi, from the Late Cretaceous deposit of the Barun Goyot Formation at Khulsan, Mongolia, is described here. The Barun Goyot Formation (herein referred to as the Barun Goyot) is ...
• Cephalopods from the Cretaceous-Paleogene (K-Pg) boundary interval on the Brazos River, Texas, and extinction of the ammonites (American Museum novitates, no. 3964) 

  Witts, James D.; Landman, Neil H.; Garb, Matthew P.; Irizarry, Kayla M.; Larina, Ekaterina; Thibault, Nicolas; Razmjooei, Mohammed J.; Yancey, Thomas E.; Myers, Corinne E. (American Museum of Natural History., 2021-01-13)

  We report on new collections of cephalopods (ammonites and nautilids) from the Cretaceous-Paleogene (K-Pg) successions of the Corsicana and Kincaid formations exposed along the Brazos River in Falls County, Texas. An ...
• A new dichromatic species of Myotis (Chiroptera: Vespertilionidae) from the Nimba Mountains, Guinea (American Museum novitates, no. 3963) 

  Simmons, Nancy B.; Flanders, J.; Bakwo Fils, E. M.; Parker, Guy; Suter, Jamison D.; Bamba, Seinan; Keita, Mamady Kobele; Morales, Ariadna E.; Frick, Winifred F. (American Museum of Natural History., 2021-01-13)

  The genus Myotis is a diverse group of vespertilionid bats found on nearly every continent. One clade in this group, the subgenus Chrysopteron, is characterized by reddish to yellowish fur and, in some cases, visually ...
• Alpine archaeology of Alta Toquima and the Mt. Jefferson Tablelands (Nevada) : the archaeology of Monitor Valley, contribution 4. (Anthropological papers of the American Museum of Natural History, number 104) 

  Thomas, David Hurst; Bean, Jessica R.; Burns, Gregory R.; Canaday, Timothy W.; Charlet, David Alan, 1953-; Colwell, Robert K. (Robert Knight), 1943-; Culleton, Brendan; Eerkens, Jelmer W.; Freeland, Nicholas P.; Graybill, Donald A.; Grayson, Donald K.; Harper, Thomas K.; Hughes, Richard E. (Richard Edward), 1947-; Jimenez, Joseph; Kennett, Douglas J.; Millar, Constance I.; Novick, Andrea Lee; Pendleton, Lorann S. A.; Rankin, Amanda M.; Rhode, David, 1956-; Rosenthal, Jeffrey; Rovner, Irwin, 1941-; Spero, Howard J.; Stevens, Nathan (Nathan Erik) (American Museum of Natural History., 2020-12-17)

  The Central Mountains Archaic began with the arrival of foraging populations in the Intermountain West about 6000 years ago. This migration coincided with the "extremely dramatic" winter-wet event of 4350 cal b.c. and the ...
• Hand and foot musculature of anura : structure, homology, terminology, and synapomorphies for major clades (Bulletin of the American Museum of Natural History, no. 443) 

  Blotto, Boris L.; Pereyra, Martín O.; Grant, Taran, 1972-; Faivovich, Julián (American Museum of Natural History., 2020-11-06)

  Although studies of anuran hand and foot musculature began in the first half of the 19th century, all studies to date have been taxonomically or anatomically restricted in scope, and none has considered the diversity of ...
• Systematic revision of the Asian forest scorpions (Heterometrinae Simon, 1879), revised suprageneric classification of Scorpionidae Latreille, 1802, and revalidation of Rugodentidae Bastawade et al., 2005 (Bulletin of the American Museum of Natural History, no. 442) 

  Prendini, Lorenzo; Loria, Stephanie F. (American Museum of Natural History., 2020-10-14)

  The genera and species of the Asian forest scorpions (Scorpionidae Latreille, 1802) are revised based on a phylogenetic analysis of 186 morphological characters and 4188 base pairs of concatenated DNA sequence from three ...
• First known extant species of Alavesia (Diptera: Atelestidae) in the Neotropical region : Alavesia leukoprosopa, sp. nov., from the southern Atlantic Forest, Brazil (American Museum novitates, no. 3962) 

  Amorim, Dalton de Souza; Riccardi, Paula Raile; Rafael, José Albertino (American Museum of Natural History., 2020-10-06)

  A first known extant Neotropical species of the atelestid genus Alavesia--Alavesia leukoprosopa, sp. nov.--is described from southeastern Brazil. The holotype (and only specimen so far) was collected with a Malaise trap ...
• Cretaceous diversity of the relict genus Alavesia Waters and Arillo (Diptera: Empidoidea: Atelestidae) (American Museum novitates, no. 3961) 

  Sinclair, Bradley J.; Grimaldi, David A. (American Museum of Natural History., 2020-10-06)

  Alavesia has been known on the basis of five species in Late Cretaceous amber from Spain and Myanmar and two extant species from Namibia. Very recently, another extant species has been found in southern Brazil. Here we ...

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