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Peracarida Workshop 2005

Workshop on peracarid crustaceans, October 2005

 

Lectures given

 

Oct. 18, 2005    Introduction

 

 

Oliver Coleman: Describing biodiversity! Do we need a new taxonomy?

 

Unpublished species

 

Angelika Brandt: Biodiversity and zoogeography of Southern Ocean deep-sea Isopoda (Crustacea, Malacostraca) - Results from the ANDEEP I-III expeditions

 

Claude DeBroyer: Implementing SCAR-MarBIN - The Antarctic Marine Biodiversity Information Network

 

Oct. 19, 2005    Standards for species descriptions

 

 

Marina Malyutina: Describing species

Jörundur Svavarsson: Standards for species descriptions - contents

 

Oct. 20, 2005    Techniques

 

 

Karl Wittmann: Fixation effects

Jürgen Guerrero-Kommritz: Mounting media and preserving specimens

Oliver Coleman: Digital illustrations

Christoph Held: New visualisation techniques in taxonomy and systematics.

 

Oct. 21, 2005    Cryptic species

 

 

Kim Larsen: How to deal with sibling species and polymorphism: a case story

1. head/cephalothorax and limbs

limb, limb structure

Amphipoda

Cumacea

Isopoda

Mysidacea

Tanaidacea

consensus

comments

cephalon, head

cephalon (fused with carapace)

cephalon , head

cephalon , head

cephalon (fused with carapace)

cephalon

always cephalothorax because at least one thoracic segment is fused with the head

cephalothorax

cephalothorax

cephalothorax

cephalothorax

cephalothorax

cephalothorax

antenna 1

antenna 1 , antennula

antenna 1 , antennula

antenna 1 , antennula

antenna 1, antennula

antenna 1, antennula

antenna 1

peduncle

peduncle , peduncular articles 1-3

peduncle , article 1-3

peduncle , article 1-3

peduncle , antennular trunk

articles 1-3 , peduncle

peduncle

flagellum

flagellum

flagellum

flagellum

inner flagellum

inner flagellum

flagellum

appendix masculina

absent

absent

absent

appendix masculina

absent

non-homologous structures

accessory flagellum

acessory flagellum

acessory flagellum

absent

outer flagellum

outer flagellum

non-homologous structures

absent

absent

absent

accessory flagellum

absent

callynophore

callynophore

absent

absent

absent

absent

apomorphy of Amphipoda

antenna 2

antenna 2 , antenna

antenna 2 , antenna

antenna 2 , antenna

antenna 2, antenna

antenna 2, antenna

antenna 2

antennal scale

absent

absent

squama

antennal scale

squama

squama

peduncle

peduncle , peduncular articles 1-5

peduncle

peduncle , article 1-6

antennal sympod , peduncle (basischium, praecoxa, coxa)

peduncle, articles 1-7

peduncle

flagellum

flagellum

flagellum

flagellum

flagellum

articles

flagellum

epistome

epistome , clypeus

absent

clypeus

absent

epistome

epistome

labrum

labrum, upper lip

absent

labrum

labrum

labrum

labrum

mandible

mandible

mandible

mandible

mandible

mandible

mandible

palp

palp

absent

palp

palp

palp

palp

incisor

incisor , pars incisiva

incisor , pars incisiva, incisor process

incisor , pars incisiva, incisor process

incisor, pars incisiva, incisory process

incisor , pars incisiva

incisor

molar

molar , pars molaris

molar , pars molaris

molar , pars molaris

molar , pars molaris

molar , pars molaris

molar

lacinia mobilis

lacinia mobilis

lacinia mobilis

lacinia mobilis

lacinia mobilis

lacinia mobilis

lacinia mobilis

setal row

setal row , spine row, raker setae

setal row

setal row , spine row

setal row , pars centralis, spine row

setal row

setal row

Mandibular body

mandibular body

mandibular body

mandibular body

mandibular trunk

mandibular body

mandibular body

labium

labium, lower lip, hypopharynx, paragnath

labium

hypopharynx

labium , lower lip

labium

labium

maxilla 1

maxilla 1 , maxillula

maxilla 1 , maxillula

maxilla 1 , maxillula

maxilla 1, maxillula

maxilla 1, maxillula

maxilla 1

sympod

sympod

sympod

inner plate

inner plate , inner lobe, basal endite

inner endite

inner lobe, mesial lobe, inner endite

endopod

inner endite

homology problematic, especially in Mysidacea

outer plate

outer plate , outer lobe, ischial endite

outer endite

outer lobe, lateral lobe, outer endite

exopod

outer endite

palp

palp

palp

absent

absent

palp

palp

maxilla 2

maxilla 2 , maxilla

maxilla 2 , maxilla

maxilla 2 , maxilla

maxilla 2, maxilla

maxilla 2, maxilla

maxilla 2

homology problematic, especially in Mysidacea

inner plate

inner plate , inner lobe, basal endite

inner endite

inner lobe, mesial lobe, inner endite

endopod

inner endite

endites

endites

oblique setal row

oblique setal row, facial row

absent

absent

absent

absent

outer plate

outer plate , outer lobe

outer endite

outer lobe, outer endite, lateral lobe

exopod

outer endite

medial lobe

medial lobe

medial lobe , medial endite

2. Thorax/pereon and limbs

limb, limb structure

Amphipoda

Cumacea

Isopoda

Mysidacea

Tanaidacea

consensus

comments

thorax

thorax

thorax

thorax

thorax

thorax

pereon

pereon

pereon

pereon

pereon

pereon

absent

carapace

absent

carapace

carapace

carapace

thoracopod 1

maxilliped

maxilliped 1

maxilliped

thoracopod 1 , maxilliped 1

maxilliped

traditionally different terminology

thoracopod 2

gnathopod 1 , pereopod 1, cheliped

maxilliped 2

pereopod 1 (pylopod)

thoracopod 2, maxilliped 2, (pereopod 1)

cheliped

thoracopod 3

gnathopod 2 , pereopod 2,

maxilliped 3

pereopod 2

thoracopod 3 , pereopod 1, (pereopod 2)

pereopod 1

thoracopod 4

pereopod 3

pereopod 1

pereopod 3

thoracopod 4 , pereopod 2, (pereopod 3)

pereopod 2

thoracopod 5

pereopod 4

pereopod 2

pereopod 4

thoracopod 5 , pereopod 3, (pereopod 4)

pereopod 3

thoracopod 6

pereopod 5

pereopod 3

pereopod 5

thoracopod 6 , pereopod 4, (pereopod 5)

pereopod 4

thoracopod 7

pereopod 6

pereopod 4

pereopod 6

thoracopod 7 , pereopod 5, (pereopod 6)

pereopod 5

thoracopod 8

pereopod 7

pereopod 5

pereopod 7

thoracopod 8 , pereopod 6, (pereopod 7)

pereopod 6

praecoxa

absent

absent

praecoxa

praecoxa

absent

praecoxa

coxa

coxa , article 1

coxa

coxa

coxa

coxa

coxa

basis

basis , article 2

basis

basis

basis

basis

basis

ischium

ischium , article 3

ischium

ischium

ischium

ischium

ischium

merus

merus ,

article 4

merus

merus

merus

merus

merus

carpus

carpus ,

article 5

carpus

carpus

carpus

carpus

carpus

propodus

propodus , article 6

propodus

propodus

propodus

propodus

propodus

dactylus

dactylus , article 7

dactylus

dactylus

dactylus

dactylus

dactylus

claw

claw , unguis

claw

claw , unguis

claw , nail

unguis , claw

unguis

Latin term consistent with terms for other limb segments

marsupium

marsupium , brood pouch

marsupium , brood pouch

marsupium brood pouch

marsupium , brood pouch

marsupium , brood pouch

marsupium

oostegites

oostegites, brood plates

oostegites, brood plates

oostegites

oostegites, brood plates

oostegites, brood plates

oostegites

3. Abdomen/pleon/pleotelson and limbs

limb, limb structure

Amphipoda

Cumacea

Isopoda

Mysidacea

Tanaidacea

consensus

comments

pleon

pleon

pleon

pleon

pleon

pleon

pleonites , pleosomites

pleonites

pleonites

pleonites

pleonites

pleonites

pleopod 1

pleopod 1

pleopod 1

pleopod 1

pleopod 1

pleopod 1

pleopod 1

pleopod 2

pleopod 2

pleopod 2

pleopod 2

pleopod 2

pleopod 2

pleopod 2

appendix masculina (stylet)

gonopod (different pleopods)

pleopod 3

pleopod 3

pleopod 3

pleopod 3

pleopod 3

pleopod 3

pleopod 3

urosome , abdomen, uron

traditionally different terminology

uronites, urosomites

pleonites 4-5

pleonites 4-5

pleonites 4-5

pleonites 4-5

pleopod 4

uropod 1

pleopod 4

pleopod 4

pleopod 4

pleopod 4

pleopod 5

uropod 2

pleopod 5

pleopod 5

pleopod 5

pleopod 5

urosomite 3

pleomer 6

pleotelson (pleomer 6 & telson)

pleomer 6

pleotelson (pleomer 6 & telson)

uropod

uropod 3

uropod

uropod

uropod

uropod

uropod

protopod

peduncle

protopod , peduncle

peduncle, protopod, sympod

sympod , peduncle

protopod, basal article, peduncle

protopod

exopod

exopod, outer ramus

exopod , outer ramus

exopod , outer ramus

exopod

exopod

exopod

endopod

endopod, inner ramus

endopod , inner ramus

endopod , inner ramus

endopod

endopod

endopod

telson

telson

pleotelson (pleomer 6 & telson)

telson

pleotelson (pleomer 6 & telson)

telson

 

limb, limb structure

Amphipoda

Cumacea

Isopoda

Mysidacea

Tanaidacea

consensus

comments

cephalon, head

cephalon (fused with carapace)

cephalon , head

cephalon , head

cephalon (fused with carapace)

cephalon

always cephalothorax because at least one thoracic segment is fused with the head

cephalothorax

cephalothorax

cephalothorax

cephalothorax

cephalothorax

cephalothorax

antenna 1

antenna 1 , antennula

antenna 1 , antennula

antenna 1 , antennula

antenna 1, antennula

antenna 1, antennula

antenna 1

peduncle

peduncle , peduncular articles 1-3

peduncle , article 1-3

peduncle , article 1-3

peduncle , antennular trunk

articles 1-3 , peduncle

peduncle

flagellum

flagellum

flagellum

flagellum

inner flagellum

inner flagellum

flagellum

appendix masculina

absent

absent

absent

appendix masculina

absent

non-homologous structures

accessory flagellum

acessory flagellum

acessory flagellum

absent

outer flagellum

outer flagellum

non-homologous structures

absent

absent

absent

accessory flagellum

absent

callynophore

callynophore

absent

absent

absent

absent

apomorphy of Amphipoda

antenna 2

antenna 2 , antenna

antenna 2 , antenna

antenna 2 , antenna

antenna 2, antenna

antenna 2, antenna

antenna 2

antennal scale

absent

absent

squama

antennal scale

squama

squama

peduncle

peduncle , peduncular articles 1-5

peduncle

peduncle , article 1-6

antennal sympod , peduncle (basischium, praecoxa, coxa)

peduncle, articles 1-7

peduncle

flagellum

flagellum

flagellum

flagellum

flagellum

articles

flagellum

epistome

epistome , clypeus

absent

clypeus

absent

epistome

epistome

labrum

labrum, upper lip

absent

labrum

labrum

labrum

labrum

mandible

mandible

mandible

mandible

mandible

mandible

mandible

palp

palp

absent

palp

palp

palp

palp

incisor

incisor , pars incisiva

incisor , pars incisiva, incisor process

incisor , pars incisiva, incisor process

incisor, pars incisiva, incisory process

incisor , pars incisiva

incisor

molar

molar , pars molaris

molar , pars molaris

molar , pars molaris

molar , pars molaris

molar , pars molaris

molar

lacinia mobilis

lacinia mobilis

lacinia mobilis

lacinia mobilis

lacinia mobilis

lacinia mobilis

lacinia mobilis

setal row

setal row , spine row, raker setae

setal row

setal row , spine row

setal row , pars centralis, spine row

setal row

setal row

Mandibular body

mandibular body

mandibular body

mandibular body

mandibular trunk

mandibular body

mandibular body

labium

labium, lower lip, hypopharynx, paragnath

labium

hypopharynx

labium , lower lip

labium

labium

maxilla 1

maxilla 1 , maxillula

maxilla 1 , maxillula

maxilla 1 , maxillula

maxilla 1, maxillula

maxilla 1, maxillula

maxilla 1

sympod

sympod

sympod

inner plate

inner plate , inner lobe, basal endite

inner endite

inner lobe, mesial lobe, inner endite

endopod

inner endite

homology problematic, especially in Mysidacea

outer plate

outer plate , outer lobe, ischial endite

outer endite

outer lobe, lateral lobe, outer endite

exopod

outer endite

palp

palp

palp

absent

absent

palp

palp

maxilla 2

maxilla 2 , maxilla

maxilla 2 , maxilla

maxilla 2 , maxilla

maxilla 2, maxilla

maxilla 2, maxilla

maxilla 2

homology problematic, especially in Mysidacea

inner plate

inner plate , inner lobe, basal endite

inner endite

inner lobe, mesial lobe, inner endite

endopod

inner endite

endites

endites

oblique setal row

oblique setal row, facial row

absent

absent

absent

absent

outer plate

outer plate , outer lobe

outer endite

outer lobe, outer endite, lateral lobe

exopod

outer endite

medial lobe

medial lobe

medial lobe , medial endite

2. Thorax/pereon and limbs

limb, limb structure

Amphipoda

Cumacea

Isopoda

Mysidacea

Tanaidacea

consensus

comments

thorax

thorax

thorax

thorax

thorax

thorax

pereon

pereon

pereon

pereon

pereon

pereon

absent

carapace

absent

carapace

carapace

carapace

thoracopod 1

maxilliped

maxilliped 1

maxilliped

thoracopod 1 , maxilliped 1

maxilliped

traditionally different terminology

thoracopod 2

gnathopod 1 , pereopod 1, cheliped

maxilliped 2

pereopod 1 (pylopod)

thoracopod 2, maxilliped 2, (pereopod 1)

cheliped

thoracopod 3

gnathopod 2 , pereopod 2,

maxilliped 3

pereopod 2

thoracopod 3 , pereopod 1, (pereopod 2)

pereopod 1

thoracopod 4

pereopod 3

pereopod 1

pereopod 3

thoracopod 4 , pereopod 2, (pereopod 3)

pereopod 2

thoracopod 5

pereopod 4

pereopod 2

pereopod 4

thoracopod 5 , pereopod 3, (pereopod 4)

pereopod 3

thoracopod 6

pereopod 5

pereopod 3

pereopod 5

thoracopod 6 , pereopod 4, (pereopod 5)

pereopod 4

thoracopod 7

pereopod 6

pereopod 4

pereopod 6

thoracopod 7 , pereopod 5, (pereopod 6)

pereopod 5

thoracopod 8

pereopod 7

pereopod 5

pereopod 7

thoracopod 8 , pereopod 6, (pereopod 7)

pereopod 6

praecoxa

absent

absent

praecoxa

praecoxa

absent

praecoxa

coxa

coxa , article 1

coxa

coxa

coxa

coxa

coxa

basis

basis , article 2

basis

basis

basis

basis

basis

ischium

ischium , article 3

ischium

ischium

ischium

ischium

ischium

merus

merus ,

article 4

merus

merus

merus

merus

merus

carpus

carpus ,

article 5

carpus

carpus

carpus

carpus

carpus

propodus

propodus , article 6

propodus

propodus

propodus

propodus

propodus

dactylus

dactylus , article 7

dactylus

dactylus

dactylus

dactylus

dactylus

claw

claw , unguis

claw

claw , unguis

claw , nail

unguis , claw

unguis

Latin term consistent with terms for other limb segments

marsupium

marsupium , brood pouch

marsupium , brood pouch

marsupium brood pouch

marsupium , brood pouch

marsupium , brood pouch

marsupium

oostegites

oostegites, brood plates

oostegites, brood plates

oostegites

oostegites, brood plates

oostegites, brood plates

oostegites

3. Abdomen/pleon/pleotelson and limbs

limb, limb structure

Amphipoda

Cumacea

Isopoda

Mysidacea

Tanaidacea

consensus

comments

pleon

pleon

pleon

pleon

pleon

pleon

pleonites , pleosomites

pleonites

pleonites

pleonites

pleonites

pleonites

pleopod 1

pleopod 1

pleopod 1

pleopod 1

pleopod 1

pleopod 1

pleopod 1

pleopod 2

pleopod 2

pleopod 2

pleopod 2

pleopod 2

pleopod 2

pleopod 2

appendix masculina (stylet)

gonopod (different pleopods)

pleopod 3

pleopod 3

pleopod 3

pleopod 3

pleopod 3

pleopod 3

pleopod 3

urosome , abdomen, uron

traditionally different terminology

uronites, urosomites

pleonites 4-5

pleonites 4-5

pleonites 4-5

pleonites 4-5

pleopod 4

uropod 1

pleopod 4

pleopod 4

pleopod 4

pleopod 4

pleopod 5

uropod 2

pleopod 5

pleopod 5

pleopod 5

pleopod 5

urosomite 3

pleomer 6

pleotelson (pleomer 6 & telson)

pleomer 6

pleotelson (pleomer 6 & telson)

uropod

uropod 3

uropod

uropod

uropod

uropod

uropod

protopod

peduncle

protopod , peduncle

peduncle, protopod, sympod

sympod , peduncle

protopod, basal article, peduncle

protopod

exopod

exopod, outer ramus

exopod , outer ramus

exopod , outer ramus

exopod

exopod

exopod

endopod

endopod, inner ramus

endopod , inner ramus

endopod , inner ramus

endopod

endopod

endopod

telson

telson

pleotelson (pleomer 6 & telson)

telson

pleotelson (pleomer 6 & telson)

telson

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