Marmosini

• Marmosa
• Monodelphis
• Tlacuatzin
• Gray Short-tailed Opossum Monodelphis (Monodelphis) domestica

  

  The gray short-tailed opossum is a small South American marsupial that lives on the ground or in low vegetation. Most have gray fur and a naked, rat-like tail.

• Linnaeus's Mouse Opossum Marmosa (Exulomarmosa) murina

  

  Linnaeus’s Mouse Opossum is a nocturnal marsupial with large dark eyes and a prehensile tail. It occurs in northern South America, prefers insects and also eats fruit.

• Northern Three-striped Opossum Monodelphis (Microdelphys) americana

  

  The Northern Three-striped Opossum has three black lines on its back. Close relatives share the same pattern, so appearance alone may not distinguish them.

• North-eastern Woolly Mouse Opossum Marmosa (Micoureus) demerarae

  The North-eastern Woolly Mouse Opossum is a small marsupial with long, soft fur and dark rings around the eyes. Its tail is longer than the body and furred only near the base.

• Orange-sided Opossum Monodelphis (Monodelphiops) dimidiata

  This small opossum lives in grasslands of northern Argentina, Paraguay, southern Brazil, and Uruguay. Its back is gray, its underside is yellowish, and males are larger than females.

• Mexican Mouse Opossum Marmosa (Exulomarmosa) mexicana

  The Mexican mouse opossum is a small marsupial recorded from eastern Mexico through much of Central America to eastern Panama. A dark mask surrounds its large eyes.

• Long-nosed Short-tailed Opossum Monodelphis (Microdelphys) scalops

  A small marsupial with a red head and a short tail. It is thought to live on the ground and be active at night.

• Alston's Mouse Opossum Marmosa (Micoureus) alstoni

  Alston's mouse opossum has a dull gray-brown back. The 2021 revision places the specimens and photographs it could confirm in Costa Rica's central highlands.

• Ihering's Three-striped Opossum Monodelphis (Microdelphys) iheringi

  Ihering’s Three-striped Opossum is a small opossum with three dark lines on its back. It carries leaf litter to line a nest in soft soil and eats insects and small animals.

• Gray Mouse Opossum Tlacuatzin canescens

  This small opossum lives in Mexico. It is nocturnal and eats mainly insects, along with fruit and small animals.

• South-eastern Woolly Mouse Opossum Marmosa (Micoureus) paraguayana

  The South-eastern Woolly Mouse Opossum is a small climbing marsupial with long, dense fur. It eats insects and fruit, and occurs in the Atlantic Forest of eastern South America.

• Robinson's Mouse Opossum Marmosa (Exulomarmosa) robinsoni

  Robinson's Mouse Opossum is a small marsupial with large ears and dark markings around the eyes. Current records extend from western Panama through Colombia to northern Venezuela and nearby islands.