5: Zooarchaeology Flashcards
(25 cards)
What is zooarchaeology and its purpose
- the study of animal remains from archaeological sites
- identifies species and quantities
- investigates human-animal interactions
What are faunal remains, assemblage, element, speciment and reference collection
- faunal remains: animal remains from archaeological sites
- assemblage: all of the artifacts and faunal remains recovered from a site
- reference collection: fauna. remains of animals used for identification
- element: specific, complete individual bone. Ex: rib, humerus, vertebra
- Speciment: individual faunal piece in an assemblage. May be a whole bone or a bone fragment
What is burial and commingled
- Burial: intentional
- commingle: multiple individuals and species mixed
How to Identify Faunal Specimens
- Species
- Element
- Age
- Potential Modifications
- Quantities in Assemblage
What is taxonomy and how is it used
- Taxon: a group of related organisms within a scientific classification
- Identify the taxonomy –> DKPCOFGS
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Different Classes
- Mollusca
- Osteichthyes
- Reptilia
- Aves
- Mammalia
Class Mollusca
- the mollusks
- invertebrates
- live in hard shells made of proteins and calcium carbonate
Class Osteichthyes
- bony fishes
- thin, light, platy bones
- Often translucent and concave surfaces
Class Reptilia
- turtle shells
- lots of vertebrae
- ball and socket surfaces
Class Aves
- light weight thin walled bones
- semi hollow with web like struts
- smooth, glossy and may appear greasy
Class Mammalia
- thick walled bones
- smooth, woody exterior
- dense, spongy interior
How can archaeologists perform species level identifications
- comparative collections
- bone guide
how to identify the element
- describing fragmentary remains called siding
- Side: right or left side. Axial: bones in the midline of the body
- Portion: proximal: closer to the mass of the body. Distal: farther from the mass of the body
appendicular and axial skeleton
appendicular: forelimbs/arms, hindlimbs/legs, scapula, pelvis
axial: vertebrae and skull
Ways to identify the age
- dentition
- growth structures
- epiphyseal fusion
Dentition
- identifies age
- dental development: mammals have two setes of teeth: deciduous and adult
- dental eruption patterns: exasct age (juveniles) and relative age
Growth structures
- identifies age
- incremental growth structures: horns and antlers that develop at a set rate and is use to precisely age individuals
Epiphyseal Fusion
- identifies age
- epiphyseal fusion: bones of all vertebrates develop at a set rate according to species
- structure from top to bottom: proximal epiphysis –> diaphysis –> distial epiphysis
- juvenile: epiphysis not fused
- young adult: can see fusion line
- adult: no fusion line
Types of natural and cultural modifications
- Natural modifications
* carnivore gnawing
* rodent gnawing - Cultural modifications
* cutmarks
* bone implements
* grinding
* perforation/drilling
burned bone: can be natural or cultural cannot tell
Natural modifications
- Carnivore gnawing: pits, U shaped scratches, punctures
- Rodent gnawing: parallel channels
Natural modifications
- Rodent gnawing: parallel channels
- Cutmarks: V shaped and appear in clusters
- Bone implements: tools, for personal use, scoring, boring holes. Ex: grinding (smooth edges) and perforation/drilling
Burned Bone
- can be cultural or natural
- impossible to tell
Quantify the Assemblage
- NISP: number of identified specimens
- MNI: minimum number of individuals
NISP
- number of identified specimens
- ount the total number of speciments in the assemblage