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Kenneth John Odle 3 months ago
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# michigan-animals


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\documentclass[9pt, letter, portrait]{article}
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%%%% Document Information %%%%%
\author{{\small Kenneth John Odle}}
{\Huge Michigan Animals} \\
{\large An Incomplete Guide \\
Version 0.1.0}
\date{{\small \textcopyright{} \the\year{}}}
Vertebrates are animals with backbones. The subphylum Vertebrata is contained in the phylum Chordata, which also includes lancelets (small, jawless, fish-like creatures) and tunicates (small ocean-dwelling creatures that are sessile in their adult forms).
Vertebrates can be separated into two broad groups: agnathans, or jawless vertebrates such as hagfish and lampreys, and gnathostomes, jawed vertebrates. Gnathostomes can be into three extant groups: Chondrichthyes, Ostichthyes, and Tetrapoda.
Chondrichthyes are the cartilaginous fishes, which include sharks, rays, skates, and chimaeras. They are jawed fish with pairs fins, paired nares, scales, a heart with chambers in a series, and skeletons made out of cartilage, rather than bone.
Osteichthyes are the bony fishes, which are similar to the Chondrichthyes in many ways, but have skeletons made of bone, rather than cartilage. They are an extremely diverse and abundant group around the world.
Tetrapoda are the group of all four-limbed vertebrates, including amphibians, reptiles, birds, and mammals. The tetrapods evolved from the lobe-finned fishes during the Devonian period, approximately 395 million years ago. Some members of the group have lost one or both pairs of limbs (some lizards and snakes), while in the birds, the front pair of limbs have evolved into wings.
\subsection{Class Mammalia}
\subsubsection{Family Didelphidae}
\paragraph{Virginia Opossum (\textit{Didelphis virginiana})} Opossums are the only marsupial living north of Mexico.
\subsubsection{Family Leporidae}
\paragraph{Snowshoe Hare (\textit{Lepus americanus})} So called because of its large hind feet, which prevent it from sinking into the snow when it walks and hops. Its fur is rusty brown in summer, turning white in winter, which helps to disguise it in a snowy landscape. It is mainly active at night, sometimes feeding in small groups. It does not hibernate. It is found across the northern portion of the lower peninsula and throughout the upper peninsula.
\paragraph{Eastern Cottontail (\textit{Sylvilagus floridanus})} Common throughout the lower peninsula, it is the most common rabbit species in North America.
\subsection{Class Aves}
\subsection{Class Reptilia}
\subsection{Class Amphibia}
\subsection{Class Pisces}
\subsection{Class Condrichthyes}