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Table 2 Description of 25 linear measurements of the postcranial skeleton of bat fetuses used in this study

From: Postcranial heterochrony, modularity, integration and disparity in the prenatal ossification in bats (Chiroptera)

Measurement

Acronym

Description

Module

Crown-Rump Length

CRL

Length from the top of the head to bottom of torso

–

Humeral Length

HL

Left humerus length

3, 4, 6, 8

Clavicular length

CL

Left clavicle length

2, 6, 8

Scapular length

SL

Left scapula length

2, 6, 8

Femoral length

FL

Left femur length

3, 7, 8

Rib length

RiL

First left rib length

2, 9

Tibial length

TL

Left tibia length

3, 7, 8

Fibular length

FiL

Left fibula length

3, 7, 8

Radial length

RL

Left radius length

3, 4, 6, 8

Ulnar length

UL

Left ulna length

3, 4, 6, 8

Sternum length

StL

Sternum length

2, 8

Manual phalange length

MPL

Proximal phalange of second digit of left forelimb

3, 5, 6, 8

Pedal phalange length

PPL

Proximal phalange of first digit of left hindlimb

3, 7, 8

Metacarpal length

McL

Metacarpus of second digit of left forelimb

3, 5, 6, 8

Metatarsal length

MtL

Metatarsal of first digit of left hindlimb

3, 7, 8

Tarsal length

TaL

Length of calcaneus of left hindlimb

3, 7, 8

Carpal length

CaL

Length of scaphoid of left forelimb

3, 5, 6, 8

Cervical vertebral width

CvL

C1 vertebral width

1, 2, 9

Thoracic vertebral width

TvL

T1 vertebral width

1, 2, 9

Lumbar vertebral width

LvL

L1 vertebral width

1, 2, 9

Sacral vertebral width

SvL

S1 vertebral width

1, 2, 9

Caudal vertebral width

CavL

vertebral width of first caudal vertebra

1, 2, 9

Ilium length

IlL

Length from top of iliac crest to the edge of triradiate joint

2, 7, 8

Ischium length

IsL

Length from bottom of ramus to edge of triradiate joint

2, 7, 8

Pubis bone length

PuL

Length from bottom of ramus to edge of triradiate joint

2, 7, 8

  1. Numbers indicate the modularity hypotheses where each bone was included (see Table 3 for number coding)